diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f9c7f512b..2c4662145 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -45,7 +45,7 @@ jobs:
       - uses: crazy-max/ghaction-upx@v3
         with:
           install-only: true
-      - uses: cachix/install-nix-action@V28
+      - uses: cachix/install-nix-action@v29
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v4
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 7faeba78c..8fa5eb2ed 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
-      - uses: cachix/install-nix-action@V28
+      - uses: cachix/install-nix-action@v29
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/generate.yml b/.github/workflows/generate.yml
index 2a2f1cb25..d9e384315 100644
--- a/.github/workflows/generate.yml
+++ b/.github/workflows/generate.yml
@@ -28,7 +28,7 @@ jobs:
       - run: task docs:releases
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - uses: cachix/install-nix-action@V28
+      - uses: cachix/install-nix-action@v29
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - run: task docs:generate
diff --git a/.github/workflows/nightly-oss.yml b/.github/workflows/nightly-oss.yml
index 80829ccc5..5694c6726 100644
--- a/.github/workflows/nightly-oss.yml
+++ b/.github/workflows/nightly-oss.yml
@@ -33,7 +33,7 @@ jobs:
       - uses: crazy-max/ghaction-upx@v3
         with:
           install-only: true
-      - uses: cachix/install-nix-action@V28
+      - uses: cachix/install-nix-action@v29
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: dockerhub-login
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d748ce55d..b5cd65a8a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -98,7 +98,7 @@ jobs:
       - uses: crazy-max/ghaction-upx@v3
         with:
           install-only: true
-      - uses: cachix/install-nix-action@V28
+      - uses: cachix/install-nix-action@v29
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: dockerhub-login