diff --git a/.github/workflows/affinescript-verify.yml b/.github/workflows/affinescript-verify.yml
index 874d4f591..697ba099e 100644
--- a/.github/workflows/affinescript-verify.yml
+++ b/.github/workflows/affinescript-verify.yml
@@ -101,7 +101,7 @@ jobs:
         # advisory: setup failures should surface as signal without blocking
         # unrelated standards changes while AffineScript verification matures.
         continue-on-error: true
-        uses: ocaml/setup-ocaml@f92e0606b7ae4873dd1238465ea4bf6f8e40d85c # v3
+        uses: ocaml/setup-ocaml@e89b2ded52a6e13f50162220cf5fe47290162032 # v3
         with:
           ocaml-compiler: "5.1"