diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index c005874..ec12a79 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -22,7 +22,7 @@ jobs:
         with:
           fail-mode: true
       - name: Install Nix
-        uses: nixbuild/nix-quick-install-action@63ca48f939ee3b8d835f4126562537df0fee5b91 # v32
+        uses: nixbuild/nix-quick-install-action@2c9db80fb984ceb1bcaa77cdda3fdf8cfba92035 # v34
         with:
           nix_conf: |
             keep-env-derivations = true
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index f3793e3..75ef8a1 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -17,7 +17,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install Nix
-        uses: nixbuild/nix-quick-install-action@63ca48f939ee3b8d835f4126562537df0fee5b91 # v32
+        uses: nixbuild/nix-quick-install-action@2c9db80fb984ceb1bcaa77cdda3fdf8cfba92035 # v34
       - name: Pre-update flake.lock
         run: nix develop --command update
       - name: Update flake.lock