diff --git a/pyproject.toml b/pyproject.toml
index 33975a5..bb93dd6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "alpha-engine-lib"
-version = "0.59.3"
+version = "0.59.4"
 description = "Shared utilities for the Alpha Engine modules: preflight, logging, ArcticDB, dates, decision capture, cost telemetry, Anthropic payload chokepoint, artifact freshness, RAG, agent schemas, SSM secrets, Telegram + SNS alerts, EC2 spot resilience, SSM log-capture, SSM dispatcher, Step-Functions execution-state projection, S3-conditional-PUT writer locks, and bounded-backoff HTTP retry. Full surface documented in README."
 readme = "README.md"
 # EC2 still runs Python 3.9 on the always-on micro instance (boto3 drops
@@ -49,7 +49,7 @@ quant-stats = ["numpy>=1.24", "pandas>=2.0", "scipy>=1.7"]
 # (rc5) the three-state fix-CLI outcome so a working-as-intended "no auto-fix"
 # (e.g. an EXTERNAL provider outage) is a green notification, not a red failure.
 # Bump to >=0.6.0,<0.7 when 0.6.0 final ships and the soak passes.
-flow_doctor = ["flow-doctor[diagnosis,s3]==0.6.0rc5"]
+flow_doctor = ["flow-doctor[diagnosis,s3]==0.6.0rc6"]
 contracts = ["jsonschema>=4.21"]
 rag = [
     "psycopg2-binary>=2.9",
diff --git a/src/alpha_engine_lib/__init__.py b/src/alpha_engine_lib/__init__.py
index 22c6aa7..5cd1800 100644
--- a/src/alpha_engine_lib/__init__.py
+++ b/src/alpha_engine_lib/__init__.py
@@ -1,3 +1,3 @@
 """alpha-engine-lib — shared utilities for Alpha Engine modules."""
 
-__version__ = "0.59.3"
+__version__ = "0.59.4"