diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 79ceb141..b5582a74 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
         build_system: [autotools, cmake]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 #v4.1.0
 
       ########################
       # Install Dependencies #
@@ -135,7 +135,7 @@ jobs:
         run: ./build-aux/ci_build.sh -b ${{ matrix.build_system }} -d small -p test -n small
 
       # Attempt to upload the test logs as artifacts if any step has failed
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 #v3.1.3
         if: ${{ failure() }}
         with:
           name: ${{ matrix.os }} ${{ matrix.build_system }} Test Logs