diff --git a/.github/workflows/wf_build_artifacts.yaml b/.github/workflows/wf_build_artifacts.yaml
index 7b326151..fd398024 100644
--- a/.github/workflows/wf_build_artifacts.yaml
+++ b/.github/workflows/wf_build_artifacts.yaml
@@ -41,7 +41,7 @@ jobs:
         fetch-depth: 0
         ref: ${{ inputs.GIT_REF }}
 
-    - uses: cachix/install-nix-action@v27
+    - uses: cachix/install-nix-action@V28
       with:
         install_url: "https://releases.nixos.org/nix/nix-2.22.3/install"
         install_options: "--no-daemon"
diff --git a/.github/workflows/wf_check.yaml b/.github/workflows/wf_check.yaml
index 5c432e39..94a7f3c7 100644
--- a/.github/workflows/wf_check.yaml
+++ b/.github/workflows/wf_check.yaml
@@ -27,7 +27,7 @@ jobs:
         fetch-depth: 0
         ref: ${{ inputs.GIT_REF }}
 
-    - uses: cachix/install-nix-action@v27
+    - uses: cachix/install-nix-action@V28
       with:
         install_url: "https://releases.nixos.org/nix/nix-2.22.3/install"
         install_options: "--no-daemon"