diff --git a/.github/workflows/nixos.yml b/.github/workflows/nixos.yml
index b261566..9ff6ee2 100644
--- a/.github/workflows/nixos.yml
+++ b/.github/workflows/nixos.yml
@@ -21,7 +21,7 @@ jobs:
           large-packages: true
           swap-storage: true
       - name: "Install Nix ❄️"
-        uses: cachix/install-nix-action@v20
+        uses: cachix/install-nix-action@v21
       - name: "Install Cachix ❄️"
         uses: cachix/cachix-action@v12
         with:
@@ -37,7 +37,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: "Install Nix ❄️"
-        uses: cachix/install-nix-action@v20
+        uses: cachix/install-nix-action@v21
 
       - name: "Install Cachix ❄️"
         uses: cachix/cachix-action@v12
@@ -54,7 +54,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: "Install Nix ❄️"
-        uses: cachix/install-nix-action@v20
+        uses: cachix/install-nix-action@v21
 
       - name: "Install Cachix ❄️"
         uses: cachix/cachix-action@v12
@@ -85,7 +85,7 @@ jobs:
           swap-storage: true
 
       - name: "Install Nix ❄️"
-        uses: cachix/install-nix-action@v20
+        uses: cachix/install-nix-action@v21
       - name: "Install Cachix ❄️"
         uses: cachix/cachix-action@v12
         with:
@@ -116,7 +116,7 @@ jobs:
           swap-storage: true
 
       - name: "Install Nix ❄️"
-        uses: cachix/install-nix-action@v20
+        uses: cachix/install-nix-action@v21
 
       - name: "Install Cachix ❄️"
         uses: cachix/cachix-action@v12