diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 264f5f8..1458587 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -176,7 +176,7 @@ jobs:
       - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
         with:
           persist-credentials: false
-      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3
+      - uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: NixOS module eval check
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3008497..01b0689 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -90,7 +90,7 @@ jobs:
 
       - name: Install Nix
         if: steps.detect.outputs.should_release == 'true' && hashFiles('flake.nix') != ''
-        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3
+        uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342
         with:
           nix_path: nixpkgs=channel:nixos-unstable
 
@@ -252,7 +252,7 @@ jobs:
 
       - name: Install Nix (for hash computation)
         if: steps.detect.outputs.should_release == 'true'
-        uses: cachix/install-nix-action@ba0dd844c9180cbf77aa72a116d6fbc515d0e87b
+        uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342
         with:
           extra_nix_config: |
             experimental-features = nix-command flakes