diff --git a/data-manager/silicos-it.yaml b/data-manager/silicos-it.yaml
index d6b2cff..2267f07 100644
--- a/data-manager/silicos-it.yaml
+++ b/data-manager/silicos-it.yaml
@@ -11,7 +11,7 @@ jobs:
     name: 3D shape alignment with shape-it
     description: >-
       Perform a shape alignment of a set of 3D molecules to a reference 3D molecule using Silicos-it's shape-it tool.
-    version: '1.0.0'
+    version: '1.0.1'
     category: virtual screening
     keywords:
     - alignment
@@ -21,8 +21,12 @@ jobs:
     - filter
     - 3d
     image:
+      # A third-party image we do not control and cannot republish, so the
+      # usual "pin an immutable tag" rule cannot be applied here - 'latest'
+      # is the only tag 3dechem/silicos-it has ever published (2017-08-15).
+      # See docs/versioning.md in the squonk2-jobs umbrella repository.
       name: 3dechem/silicos-it
-      tag: 'stable'
+      tag: 'latest'
       project-directory: /data
       working-directory: /data
       fix-permissions: true
@@ -128,7 +132,7 @@ jobs:
     name: Pharmacophore alignment with align-it
     description: >-
       Perform an alignment of pre-generated pharmacophores to a reference 3D molecule using Silicos-it's align-it tool.
-    version: '1.0.0'
+    version: '1.0.1'
     category: virtual screening
     keywords:
     - alignment
@@ -138,8 +142,10 @@ jobs:
     - filter
     - 3d
     image:
+      # See the note on shape-it-search above: 'latest' is the only tag this
+      # third-party image publishes.
       name: 3dechem/silicos-it
-      tag: 'stable'
+      tag: 'latest'
       project-directory: /data
       working-directory: /data
       fix-permissions: true