diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e4937dd..a0947d7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,6 +2,6 @@ name: CI
 on: push
 jobs:
   test:
-    uses: mitlibraries/.github/.github/workflows/python-shared-test.yml@main
+    uses: mitlibraries/.github/.github/workflows/python-shared-test.yml@3d2816ffa487f3e99b650103252e44552d277ef6 # main
   lint:
-    uses: mitlibraries/.github/.github/workflows/python-shared-lint.yml@main
+    uses: mitlibraries/.github/.github/workflows/python-shared-lint.yml@3d2816ffa487f3e99b650103252e44552d277ef6 # main