diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8da4395..50fcc81 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -50,7 +50,7 @@ jobs:
         run: pytest
 
       - name: Coveralls Parallel
-        uses: coverallsapp/github-action@v2
+        uses: coverallsapp/github-action@v2.3.0
         with:
           flag-name: run-${{ join(matrix.*, '-') }}
           parallel: true
@@ -61,6 +61,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Coveralls Finished
-        uses: coverallsapp/github-action@v2
+        uses: coverallsapp/github-action@v2.3.0
         with:
           parallel-finished: true
\ No newline at end of file