diff --git a/.github/workflows/build_pages.yml b/.github/workflows/build_pages.yml
index 96818a44..6baeefd5 100644
--- a/.github/workflows/build_pages.yml
+++ b/.github/workflows/build_pages.yml
@@ -22,7 +22,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: "3.x"
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8590872c..9fd3f3f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ permissions: {}
 
 jobs:
   core:
-    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v2
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@e5af21e4ae37af089a73bb032e10b78b0e746174  # v3.0.1
     with:
       submodules: true
       libraries: |