diff --git a/.github/workflows/daily_unit_tests_with_nightly_puppet_gem.yaml b/.github/workflows/daily_unit_tests_with_nightly_puppet_gem.yaml
index 7d3c1873..6cdb9ee8 100644
--- a/.github/workflows/daily_unit_tests_with_nightly_puppet_gem.yaml
+++ b/.github/workflows/daily_unit_tests_with_nightly_puppet_gem.yaml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   daily_unit_tests_with_nightly_puppet_gem:
-    uses: "puppetlabs/phoenix-github-actions/.github/workflows/unit_tests_with_nightly_puppet_gem.yaml@main"
+    uses: "puppetlabs/phoenix-github-actions/.github/workflows/unit_tests_with_nightly_puppet_gem.yaml@68970f48dd476960f44a21e652500f3b7f55b8b4"
 
   notify-via-slack:
     name: Notify workflow conclusion via Slack
diff --git a/.github/workflows/unit_tests.yaml b/.github/workflows/unit_tests.yaml
index 81a0f34e..c3e2ad82 100644
--- a/.github/workflows/unit_tests.yaml
+++ b/.github/workflows/unit_tests.yaml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   Nightly:
-    uses: "puppetlabs/phoenix-github-actions/.github/workflows/unit_tests_with_nightly_puppet_gem.yaml@main"
+    uses: "puppetlabs/phoenix-github-actions/.github/workflows/unit_tests_with_nightly_puppet_gem.yaml@68970f48dd476960f44a21e652500f3b7f55b8b4"
   
   Released:
     uses: "puppetlabs/phoenix-github-actions/.github/workflows/unit_tests_with_released_puppet_gem.yaml@main"