diff --git a/.github/workflows/c5-regenerate.yml b/.github/workflows/c5-regenerate.yml
index d66ef3d..896e99b 100644
--- a/.github/workflows/c5-regenerate.yml
+++ b/.github/workflows/c5-regenerate.yml
@@ -50,7 +50,7 @@ jobs:
           path: affinescript
 
       - name: Install OCaml
-        uses: ocaml/setup-ocaml@605a7e998e76e035b82c14d618a6e1010732c4ce # v3
+        uses: ocaml/setup-ocaml@f92e0606b7ae4873dd1238465ea4bf6f8e40d85c # v3
         with:
           ocaml-compiler: '4.14.2'
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 2b5e70a..b218584 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -39,12 +39,12 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v3
+        uses: github/codeql-action/init@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v3
+        uses: github/codeql-action/analyze@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v3
         with:
           category: "/language:${{ matrix.language }}"