diff --git a/.github/workflows/cron-tests.yml b/.github/workflows/cron-tests.yml
index 2bb4da1..c66f63a 100644
--- a/.github/workflows/cron-tests.yml
+++ b/.github/workflows/cron-tests.yml
@@ -22,7 +22,7 @@ concurrency:
 jobs:
   tests:
     if: (github.repository == 'astropy/specreduce' && (github.event_name == 'schedule' || github.event_name == 'push' || contains(github.event.pull_request.labels.*.name, 'Extra CI')))
-    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@924441154cf3053034c6513d5e06c69d262fb9a6  # v1.13.0
     with:
       submodules: false
       coverage: ''
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 60b4296..249c452 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   publish:
-    uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish_pure_python.yml@v1
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish_pure_python.yml@924441154cf3053034c6513d5e06c69d262fb9a6  # v1.13.0
     # NOTE: Uncomment "if" if you do not want this to run for every PR.
     # if: ((github.event_name == 'push' && startsWith(github.ref, 'refs/tags')) || contains(github.event.pull_request.labels.*.name, 'Build wheels'))
     with:
diff --git a/.github/workflows/tox-tests.yml b/.github/workflows/tox-tests.yml
index 24e7f09..ef33fdd 100644
--- a/.github/workflows/tox-tests.yml
+++ b/.github/workflows/tox-tests.yml
@@ -21,7 +21,7 @@ concurrency:
 
 jobs:
   tests:
-    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@924441154cf3053034c6513d5e06c69d262fb9a6  # v1.13.0
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV }}
     with: