diff --git a/.github/workflows/run_analyze-bloat.yml b/.github/workflows/run_analyze-bloat.yml
index dc73b787..932538a9 100644
--- a/.github/workflows/run_analyze-bloat.yml
+++ b/.github/workflows/run_analyze-bloat.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Fetch head
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: 'head_ref/root'
       - name: Compile static lib for head ref
@@ -34,7 +34,7 @@ jobs:
           rows: 0 # 0 indicates unlimited number of rows
       - name: Fetch base
         if: ${{ github.event_name == 'pull_request' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.base_ref }}
           path: 'base_ref/root'
diff --git a/.github/workflows/run_fuzzer.yml b/.github/workflows/run_fuzzer.yml
index 3430e026..41168e02 100644
--- a/.github/workflows/run_fuzzer.yml
+++ b/.github/workflows/run_fuzzer.yml
@@ -14,10 +14,10 @@ jobs:
 
     steps:
     - name: Fetch head
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         path: 'head'
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       id: cache-corpus
       with:
         path: head/fuzzing/corpus.tar
@@ -34,13 +34,13 @@ jobs:
       run: |
         tar cf - cmin > corpus.tar.tmp && mv corpus.tar.tmp "${GITHUB_WORKSPACE}"/head/fuzzing
     - name: Save the corpus as a github artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: success()
       with:
         name: corpus
         path: head/fuzzing/corpus.tar
     - name: Archive any crashes as an artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: always()
       with:
         name: crashes