diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ea6ca2a..d52ffc5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: "Install Nix"
-        uses: cachix/install-nix-action@v31.8.2
+        uses: cachix/install-nix-action@v31.8.4
 
       - name: Find packages missing in the cache
         id: get-packages
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 2d5013d..989f5bc 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: "Install Nix"
-        uses: cachix/install-nix-action@v31.8.2
+        uses: cachix/install-nix-action@v31.8.4
 
       - uses: cachix/cachix-action@v16
         with:
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 7443e0f..d4e6b7d 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -24,7 +24,7 @@ jobs:
           token: "${{ secrets.GH_TOKEN}}"
 
       - name: "Install Nix"
-        uses: cachix/install-nix-action@v31.8.2
+        uses: cachix/install-nix-action@v31.8.4
 
       - uses: cachix/cachix-action@v16
         with:
diff --git a/.github/workflows/update-pkgs.yml b/.github/workflows/update-pkgs.yml
index 8165a7c..5666827 100644
--- a/.github/workflows/update-pkgs.yml
+++ b/.github/workflows/update-pkgs.yml
@@ -24,7 +24,7 @@ jobs:
           token: "${{ secrets.GH_TOKEN}}"
 
       - name: "Install Nix"
-        uses: cachix/install-nix-action@v31.8.2
+        uses: cachix/install-nix-action@v31.8.4
 
       - uses: cachix/cachix-action@v16
         with: