diff --git a/.github/workflows/nix_smoke.yaml b/.github/workflows/nix_smoke.yaml
index 99ce18879..b94d13bfd 100644
--- a/.github/workflows/nix_smoke.yaml
+++ b/.github/workflows/nix_smoke.yaml
@@ -17,7 +17,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V28
+        uses: cachix/install-nix-action@v29
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/regression_reusable.yaml b/.github/workflows/regression_reusable.yaml
index 1368488cc..0c3d3208e 100644
--- a/.github/workflows/regression_reusable.yaml
+++ b/.github/workflows/regression_reusable.yaml
@@ -71,7 +71,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V28
+        uses: cachix/install-nix-action@v29
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GH_TOKEN }}
diff --git a/.github/workflows/upgrade_reusable.yaml b/.github/workflows/upgrade_reusable.yaml
index 224f4ff78..e7f3e7fe9 100644
--- a/.github/workflows/upgrade_reusable.yaml
+++ b/.github/workflows/upgrade_reusable.yaml
@@ -26,7 +26,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V28
+        uses: cachix/install-nix-action@v29
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GH_TOKEN }}