diff --git a/.github/workflows/ocapn-guile-interop.yml b/.github/workflows/ocapn-guile-interop.yml
index 6d67fcdfb6..b0f90aa67e 100644
--- a/.github/workflows/ocapn-guile-interop.yml
+++ b/.github/workflows/ocapn-guile-interop.yml
@@ -110,7 +110,7 @@ jobs:
         # `.tmp` before each attempt covers the same hazard for
         # retries within a single wget invocation.
         if: steps.guix-cache.outputs.cache-hit != 'true'
-        uses: nick-fields/retry@ce71cc2ab81d554ebbe88c79ab5975992d79ba08 # v3.0.2
+        uses: nick-fields/retry@ad984534de44a9489a53aefd81eb77f87c70dc60 # v4.0.0
         with:
           max_attempts: 6
           retry_wait_seconds: 30
@@ -215,7 +215,7 @@ jobs:
       # the daemon socket not being ready for the first few seconds
       # after Install.
       - name: Resolve Guix module paths
-        uses: nick-fields/retry@ce71cc2ab81d554ebbe88c79ab5975992d79ba08 # v3.0.2
+        uses: nick-fields/retry@ad984534de44a9489a53aefd81eb77f87c70dc60 # v4.0.0
         with:
           max_attempts: 3
           retry_wait_seconds: 30