diff --git a/.github/workflows/ci-locks.yml b/.github/workflows/ci-locks.yml
index aec4fbf..68836f8 100644
--- a/.github/workflows/ci-locks.yml
+++ b/.github/workflows/ci-locks.yml
@@ -15,5 +15,5 @@ concurrency:
 
 jobs:
   refresh_lockfiles:
-    uses: scitools/workflows/.github/workflows/refresh-lockfiles.yml@2023.06.0
+    uses: scitools/workflows/.github/workflows/refresh-lockfiles.yml@2023.09.0
     secrets: inherit
diff --git a/.github/workflows/ci-manifest.yml b/.github/workflows/ci-manifest.yml
index 8bdd4dd..cca675c 100644
--- a/.github/workflows/ci-manifest.yml
+++ b/.github/workflows/ci-manifest.yml
@@ -25,4 +25,4 @@ concurrency:
 jobs:
   manifest:
     name: "check-manifest"
-    uses: scitools/workflows/.github/workflows/ci-manifest.yml@2023.06.0
+    uses: scitools/workflows/.github/workflows/ci-manifest.yml@2023.09.0