diff --git a/.github/workflows/ctest.yml b/.github/workflows/ctest.yml
index a0ae2cb2..610f6d74 100644
--- a/.github/workflows/ctest.yml
+++ b/.github/workflows/ctest.yml
@@ -36,9 +36,9 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - uses: ilammy/msvc-dev-cmd@v1
+    - uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756
       if: startsWith(matrix.os,'windows')
-    - uses: Bacondish2023/setup-googletest@v1
+    - uses: Bacondish2023/setup-googletest@49065d1f7a6d21f6134864dd65980fe5dbe06c73
       with:
         build-type: 'Release'
     - name: Build tests