diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index f2ff28f..747c083 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v11
+        uses: DeterminateSystems/nix-installer-action@v12
 
       - name: Setup Nix cache
         uses: DeterminateSystems/magic-nix-cache-action@v7
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 928dfd5..67c42c2 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v11
+        uses: DeterminateSystems/nix-installer-action@v12
 
       - name: Setup Nix cache
         uses: DeterminateSystems/magic-nix-cache-action@v7
@@ -42,7 +42,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v11
+        uses: DeterminateSystems/nix-installer-action@v12
 
       - name: Setup Nix cache
         uses: DeterminateSystems/magic-nix-cache-action@v7
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 8a341d4..55708ea 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -23,7 +23,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v11
+        uses: DeterminateSystems/nix-installer-action@v12
 
       - name: Set Git user info
         run: |