diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 830b23ce1..059a5a3dd 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -30,11 +30,11 @@ jobs:
           persist-credentials: false
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
+        uses: github/codeql-action/init@68bde559dea0fdcac2102bfdf6230c5f70eb485e # v4.35.4
         with:
           languages: ${{ matrix.language }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
+        uses: github/codeql-action/analyze@68bde559dea0fdcac2102bfdf6230c5f70eb485e # v4.35.4
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/flakehub-publish-tagged.yml b/.github/workflows/flakehub-publish-tagged.yml
index 658710025..ad69e02cc 100644
--- a/.github/workflows/flakehub-publish-tagged.yml
+++ b/.github/workflows/flakehub-publish-tagged.yml
@@ -20,7 +20,7 @@ jobs:
         with:
           persist-credentials: false
           ref: "${{ inputs.tag && format('refs/tags/{0}', inputs.tag) || github.ref }}"
-      - uses: DeterminateSystems/determinate-nix-action@92ffb5400c3776307a27a1727d7e2ac3dcd9f844 # v3.18.1
+      - uses: DeterminateSystems/determinate-nix-action@bafaa638b9d5ec0e7e3ac1a7fc80453ef1fd265f # v3.20.0
       - uses: DeterminateSystems/flakehub-push@71f57208810a5d299fc6545350981de98fdbc860 # v6
         with:
           visibility: "public"
diff --git a/.github/workflows/update-flake-sources.yml b/.github/workflows/update-flake-sources.yml
index eae97115b..a56b48237 100644
--- a/.github/workflows/update-flake-sources.yml
+++ b/.github/workflows/update-flake-sources.yml
@@ -40,7 +40,7 @@ jobs:
           token: ${{ steps.app-token.outputs.token }}
 
       - name: Install Nix
-        uses: cachix/install-nix-action@ab739621df7a23f52766f9ccc97f38da6b7af14f # v31.10.5
+        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
         with:
           nix_path: nixpkgs=channel:nixos-unstable