diff --git a/contracts/Cargo.lock b/contracts/Cargo.lock
index 855b8140..13d4a973 100644
--- a/contracts/Cargo.lock
+++ b/contracts/Cargo.lock
@@ -14,6 +14,12 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -34,9 +40,9 @@ dependencies = [
 
 [[package]]
 name = "ark-bls12-381"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c775f0d12169cba7aae4caeb547bb6a50781c7449a8aa53793827c9ec4abf488"
+checksum = "3df4dcc01ff89867cd86b0da835f23c3f02738353aaee7dde7495af71363b8d5"
 dependencies = [
  "ark-ec",
  "ark-ff",
@@ -44,112 +50,136 @@ dependencies = [
  "ark-std",
 ]
 
+[[package]]
+name = "ark-bn254"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d69eab57e8d2663efa5c63135b2af4f396d66424f88954c21104125ab6b3e6bc"
+dependencies = [
+ "ark-ec",
+ "ark-ff",
+ "ark-std",
+]
+
 [[package]]
 name = "ark-ec"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "defd9a439d56ac24968cca0571f598a61bc8c55f71d50a89cda591cb750670ba"
+checksum = "43d68f2d516162846c1238e755a7c4d131b892b70cc70c471a8e3ca3ed818fce"
 dependencies = [
+ "ahash",
  "ark-ff",
  "ark-poly",
  "ark-serialize",
  "ark-std",
- "derivative",
- "hashbrown 0.13.2",
+ "educe",
+ "fnv",
+ "hashbrown 0.15.5",
  "itertools",
+ "num-bigint",
+ "num-integer",
  "num-traits",
  "zeroize",
 ]
 
 [[package]]
 name = "ark-ff"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec847af850f44ad29048935519032c33da8aa03340876d351dfab5660d2966ba"
+checksum = "a177aba0ed1e0fbb62aa9f6d0502e9b46dad8c2eab04c14258a1212d2557ea70"
 dependencies = [
  "ark-ff-asm",
  "ark-ff-macros",
  "ark-serialize",
  "ark-std",
- "derivative",
+ "arrayvec",
  "digest",
+ "educe",
  "itertools",
  "num-bigint",
  "num-traits",
  "paste",
- "rustc_version",
  "zeroize",
 ]
 
 [[package]]
 name = "ark-ff-asm"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed4aa4fe255d0bc6d79373f7e31d2ea147bcf486cba1be5ba7ea85abdb92348"
+checksum = "62945a2f7e6de02a31fe400aa489f0e0f5b2502e69f95f853adb82a96c7a6b60"
 dependencies = [
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
 name = "ark-ff-macros"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7abe79b0e4288889c4574159ab790824d0033b9fdcb2a112a3182fac2e514565"
+checksum = "09be120733ee33f7693ceaa202ca41accd5653b779563608f1234f78ae07c4b3"
 dependencies = [
  "num-bigint",
  "num-traits",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
 name = "ark-poly"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d320bfc44ee185d899ccbadfa8bc31aab923ce1558716e1997a1e74057fe86bf"
+checksum = "579305839da207f02b89cd1679e50e67b4331e2f9294a57693e5051b7703fe27"
 dependencies = [
+ "ahash",
  "ark-ff",
  "ark-serialize",
  "ark-std",
- "derivative",
- "hashbrown 0.13.2",
+ "educe",
+ "fnv",
+ "hashbrown 0.15.5",
 ]
 
 [[package]]
 name = "ark-serialize"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adb7b85a02b83d2f22f89bd5cac66c9c89474240cb6207cb1efc16d098e822a5"
+checksum = "3f4d068aaf107ebcd7dfb52bc748f8030e0fc930ac8e360146ca54c1203088f7"
 dependencies = [
  "ark-serialize-derive",
  "ark-std",
+ "arrayvec",
  "digest",
  "num-bigint",
 ]
 
 [[package]]
 name = "ark-serialize-derive"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae3281bc6d0fd7e549af32b52511e1302185bd688fd3359fa36423346ff682ea"
+checksum = "213888f660fddcca0d257e88e54ac05bca01885f258ccdf695bafd77031bb69d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
 name = "ark-std"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94893f1e0c6eeab764ade8dc4c0db24caf4fe7cbbaafc0eba0a9030f447b5185"
+checksum = "246a225cc6131e9ee4f24619af0f19d67761fff15d7ccc22e42b80846e69449a"
 dependencies = [
  "num-traits",
  "rand",
 ]
 
+[[package]]
+name = "arrayvec"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3fb67a6e08acf24fdeccbac2cb6ac4305825bd1f117462e0e6f2f193345ad56"
+
 [[package]]
 name = "autocfg"
 version = "1.5.0"
@@ -162,12 +192,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
-[[package]]
-name = "base64"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
-
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -195,16 +219,22 @@ version = "3.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes-lit"
-version = "0.0.5"
+version = "0.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0adabf37211a5276e46335feabcbb1530c95eb3fdf85f324c7db942770aa025d"
+checksum = "9b04f2b1d34cb428043f14aa4c853d14294532e8bbde3b6a3bc2faaaae31a1dd"
 dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -223,6 +253,17 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "cfg_eval"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45565fc9416b9896014f5732ac776f810ee53a66730c17e4020c3ec064a8f88f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "chrono"
 version = "0.4.43"
@@ -267,6 +308,17 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "crate-git-revision"
+version = "0.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54851b5b3f24621804b1cded2820975623c205e3055d2d44031cdb1237339ac8"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "serde_json",
+]
+
 [[package]]
 name = "crypto-bigint"
 version = "0.5.5"
@@ -291,14 +343,20 @@ dependencies = [
 
 [[package]]
 name = "ctor"
-version = "0.2.9"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
+checksum = "67773048316103656a637612c4a62477603b777d91d9c62ff2290f9cde178fdb"
 dependencies = [
- "quote",
- "syn 2.0.115",
+ "ctor-proc-macro",
+ "dtor",
 ]
 
+[[package]]
+name = "ctor-proc-macro"
+version = "0.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2931af7e13dc045d8e9d26afccc6fa115d64e115c9c84b1166288b46f6782c2"
+
 [[package]]
 name = "curve25519-dalek"
 version = "4.1.3"
@@ -323,7 +381,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -357,7 +415,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -371,7 +429,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -382,7 +440,7 @@ checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
 dependencies = [
  "darling_core 0.20.11",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -393,7 +451,7 @@ checksum = "d38308df82d1080de0afee5d069fa14b0326a88c14f15c5ccda35b4a6c414c81"
 dependencies = [
  "darling_core 0.21.3",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -422,17 +480,6 @@ dependencies = [
  "serde_core",
 ]
 
-[[package]]
-name = "derivative"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "derive_arbitrary"
 version = "1.3.2"
@@ -441,7 +488,7 @@ checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -462,6 +509,21 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
 
+[[package]]
+name = "dtor"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "404d02eeb088a82cfd873006cb713fe411306c7d182c344905e101fb1167d301"
+dependencies = [
+ "dtor-proc-macro",
+]
+
+[[package]]
+name = "dtor-proc-macro"
+version = "0.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f678cf4a922c215c63e0de95eb1ff08a958a81d47e485cf9da1e27bf6305cfa5"
+
 [[package]]
 name = "dyn-clone"
 version = "1.0.20"
@@ -506,6 +568,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "educe"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7bc049e1bd8cdeb31b68bbd586a9464ecf9f3944af3958a7a9d0f8b9799417"
+dependencies = [
+ "enum-ordinalize",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -530,6 +604,26 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "enum-ordinalize"
+version = "4.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07f808d588c10e464ea6f7d3eaed500049eff30aaac103460f61828c2d65b3eb"
+dependencies = [
+ "enum-ordinalize-derive",
+]
+
+[[package]]
+name = "enum-ordinalize-derive"
+version = "4.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42e528e2d34ba8a67a1a650b86beae8ef69fc5fdb638016f386b973226590432"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -544,9 +638,9 @@ checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
 
 [[package]]
 name = "ethnum"
-version = "1.5.2"
+version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca81e6b4777c89fd810c25a4be2b1bd93ea034fbe58e6a75216a34c6b82c539b"
+checksum = "40404c3f5f511ec4da6fe866ddf6a717c309fdbb69fbbad7b0f3edab8f2e835f"
 
 [[package]]
 name = "ff"
@@ -611,6 +705,15 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "hash32"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -619,11 +722,11 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[package]]
 name = "hashbrown"
-version = "0.13.2"
+version = "0.15.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
 dependencies = [
- "ahash",
+ "allocator-api2",
 ]
 
 [[package]]
@@ -632,6 +735,22 @@ version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 
+[[package]]
+name = "heapless"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+dependencies = [
+ "hash32",
+ "stable_deref_trait",
+]
+
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -717,9 +836,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
  "either",
 ]
@@ -779,6 +898,17 @@ version = "0.4.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
+[[package]]
+name = "macro-string"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b27834086c65ec3f9387b096d66e99f221cf081c2b738042aa252bcd41204e3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "memchr"
 version = "2.8.0"
@@ -809,7 +939,7 @@ checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -886,7 +1016,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
 dependencies = [
  "proc-macro2",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -963,7 +1093,7 @@ checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -991,6 +1121,17 @@ version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
+[[package]]
+name = "schemars"
+version = "0.8.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fbf2ae1b8bc8e02df939598064d22402220cd5bbcca1c76f7d6a310974d5615"
+dependencies = [
+ "dyn-clone",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "schemars"
 version = "0.9.0"
@@ -1061,7 +1202,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -1083,11 +1224,12 @@ version = "3.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fa237f2807440d238e0364a218270b98f767a00d3dada77b1c53ae88940e2e7"
 dependencies = [
- "base64 0.22.1",
+ "base64",
  "chrono",
  "hex",
  "indexmap 1.9.3",
  "indexmap 2.13.0",
+ "schemars 0.8.22",
  "schemars 0.9.0",
  "schemars 1.2.1",
  "serde_core",
@@ -1105,7 +1247,7 @@ dependencies = [
  "darling 0.21.3",
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -1153,24 +1295,24 @@ checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
 
 [[package]]
 name = "soroban-builtin-sdk-macros"
-version = "22.1.3"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf2e42bf80fcdefb3aae6ff3c7101a62cf942e95320ed5b518a1705bc11c6b2f"
+checksum = "d769030e3b2c27873e9be4931decbbe79787b943d5b30e31f8c395eae83144b8"
 dependencies = [
  "itertools",
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-env-common"
-version = "22.1.3"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "027cd856171bfd6ad2c0ffb3b7dfe55ad7080fb3050c36ad20970f80da634472"
+checksum = "5aa50d998c0baafcc6078cb94f5228040c7719b1608c15debc3fc78365dc22f5"
 dependencies = [
  "arbitrary",
- "crate-git-revision",
+ "crate-git-revision 0.0.6",
  "ethnum",
  "num-derive",
  "num-traits",
@@ -1184,9 +1326,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "22.1.3"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a07dda1ae5220d975979b19ad4fd56bc86ec7ec1b4b25bc1c5d403f934e592e"
+checksum = "fde1064f5e92dbcc8018ecc8e92728bf5bbff0236abaf792c6858367a6853415"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1194,11 +1336,12 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "22.1.3"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66e8b03a4191d485eab03f066336112b2a50541a7553179553dc838b986b94dd"
+checksum = "f47762a1b75b9ccd07558f28e1a0289ca6adec56810c581cde5cf16e329e00b9"
 dependencies = [
  "ark-bls12-381",
+ "ark-bn254",
  "ark-ec",
  "ark-ff",
  "ark-serialize",
@@ -1224,15 +1367,15 @@ dependencies = [
  "soroban-env-common",
  "soroban-wasmi",
  "static_assertions",
- "stellar-strkey",
+ "stellar-strkey 0.0.13",
  "wasmparser",
 ]
 
 [[package]]
 name = "soroban-env-macros"
-version = "22.1.3"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00eff744764ade3bc480e4909e3a581a240091f3d262acdce80b41f7069b2bd9"
+checksum = "bc04b813a9e32456b37875fc41cdb05912a9e947000b9414b7985bffe07a889a"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1240,14 +1383,14 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "22.0.9"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "801272da800bd000bd44c4d9d99f73e36e756b5f646a355c062efc33425c7119"
+checksum = "1e4bf41f85da648dca4153ca5ed41411658d2029e15d9ba693fdd2e3e5dbe05d"
 dependencies = [
  "serde",
  "serde_json",
@@ -1259,12 +1402,13 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk"
-version = "22.0.9"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "062ec196246f0ad2429ae256b9387efc6c84dfc26ab409c20f8c8d4b7da3cd1c"
+checksum = "a5636f9d62dd0cc6d23f08f775aa60f712ec596e5761f6911aee154337d401bf"
 dependencies = [
  "arbitrary",
  "bytes-lit",
+ "crate-git-revision 0.0.9",
  "ctor",
  "derive_arbitrary",
  "ed25519-dalek",
@@ -1276,36 +1420,38 @@ dependencies = [
  "soroban-env-host",
  "soroban-ledger-snapshot",
  "soroban-sdk-macros",
- "stellar-strkey",
+ "stellar-strkey 0.0.16",
+ "visibility",
 ]
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "22.0.9"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "562372e2806f3d4fe450c7d1a8d8b79140c60494969812089bb6e36f66050ffe"
+checksum = "f7c9f001d91196d9cd659634f9113f75609819204aef5fae27b4ab845cdfc741"
 dependencies = [
- "crate-git-revision",
  "darling 0.20.11",
+ "heck",
  "itertools",
+ "macro-string",
  "proc-macro2",
  "quote",
- "rustc_version",
  "sha2",
  "soroban-env-common",
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "22.0.9"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14311180c5678a5bf1b7b13c414784ceb4551b1caf70c1293a720910bd1df81b"
+checksum = "ca1e22ce713871c6f9d21a321051b58e53080629b6a5be1132cf11f42cca4d10"
 dependencies = [
- "base64 0.13.1",
+ "base64",
+ "sha2",
  "stellar-xdr",
  "thiserror",
  "wasmparser",
@@ -1313,9 +1459,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "22.0.9"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40a8a990c2d455cf5ab65f8156ff0145c9dbb4b0f5ba38c3da1fd69ee5abc2f7"
+checksum = "89fb158f79ec527e46a5d5162f11c4269e17748e6b69391cdf648133d76cfead"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1323,7 +1469,7 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.115",
+ "syn",
  "thiserror",
 ]
 
@@ -1356,6 +1502,12 @@ dependencies = [
  "der",
 ]
 
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -1364,29 +1516,42 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.9"
+version = "0.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e3aa3ed00e70082cb43febc1c2afa5056b9bb3e348bbb43d0cd0aa88a611144"
+checksum = "ee1832fb50c651ad10f734aaf5d31ca5acdfb197a6ecda64d93fcdb8885af913"
 dependencies = [
- "crate-git-revision",
+ "crate-git-revision 0.0.6",
  "data-encoding",
- "thiserror",
+]
+
+[[package]]
+name = "stellar-strkey"
+version = "0.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "084afcb0d458c3d5d5baa2d294b18f881e62cc258ef539d8fdf68be7dbe45520"
+dependencies = [
+ "crate-git-revision 0.0.6",
+ "data-encoding",
+ "heapless",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "22.1.0"
+version = "27.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ce69db907e64d1e70a3dce8d4824655d154749426a6132b25395c49136013e4"
+checksum = "05ff843326969bdf1ef673dcdba94c08f4a3c8f1e58d6e6ef39b1bd4f749179a"
 dependencies = [
  "arbitrary",
- "base64 0.13.1",
- "crate-git-revision",
+ "base64",
+ "cfg_eval",
+ "crate-git-revision 0.0.6",
  "escape-bytes",
+ "ethnum",
  "hex",
  "serde",
  "serde_with",
- "stellar-strkey",
+ "sha2",
+ "stellar-strkey 0.0.13",
 ]
 
 [[package]]
@@ -1408,17 +1573,6 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
-[[package]]
-name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "syn"
 version = "2.0.115"
@@ -1447,7 +1601,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -1499,6 +1653,17 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
+[[package]]
+name = "visibility"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d674d135b4a8c1d7e813e2f8d1c9a58308aee4a680323066025e53132218bd91"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
@@ -1537,7 +1702,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
  "wasm-bindgen-shared",
 ]
 
@@ -1608,7 +1773,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -1619,7 +1784,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -1663,7 +1828,7 @@ checksum = "4122cd3169e94605190e77839c9a40d40ed048d305bfdc146e7df40ab0f3e517"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
@@ -1683,7 +1848,7 @@ checksum = "85a5b4158499876c763cb03bc4e49185d3cccbabb15b33c627f7884f43db852e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.115",
+ "syn",
 ]
 
 [[package]]
diff --git a/contracts/Cargo.toml b/contracts/Cargo.toml
index 154c0a72..e670edc9 100644
--- a/contracts/Cargo.toml
+++ b/contracts/Cargo.toml
@@ -5,7 +5,7 @@ members = [
 ]
 
 [workspace.dependencies]
-soroban-sdk = "22.0.0"
+soroban-sdk = "27.0.0"
 
 [profile.release]
 opt-level = "z"