diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index 7b23ba4..f087e33 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -21,7 +21,7 @@ jobs:
     - uses: cachix/install-nix-action@13d8dd58da0234aa297dedd986986ccb8e7f3e24 # v31.11.1
 
     - name: Authenticate with Cachix
-      uses: cachix/cachix-action@5f2d7c5294214f71b873db4b969586b980625e71 # v17
+      uses: cachix/cachix-action@38b082610b782e7e93e209c35fd730d399dee866 # v17
       with:
         name: tytanic
         authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
diff --git a/.github/workflows/deploy-gh-pages.yml b/.github/workflows/deploy-gh-pages.yml
index 15c04c4..2370de0 100644
--- a/.github/workflows/deploy-gh-pages.yml
+++ b/.github/workflows/deploy-gh-pages.yml
@@ -34,4 +34,4 @@ jobs:
           path: 'docs/book/build'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5
+        uses: actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346 # v5