diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 01ffab9..eaf88af 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -18,7 +18,7 @@ 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@v6
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 034fe70..3d2ff07 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.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@v6
 
@@ -34,7 +34,7 @@ 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@v6
 
diff --git a/.github/workflows/update-lock.yml b/.github/workflows/update-lock.yml
index 1928073..bfba48f 100644
--- a/.github/workflows/update-lock.yml
+++ b/.github/workflows/update-lock.yml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v11
+        uses: DeterminateSystems/nix-installer-action@v12
 
       - name: Update lockfile
         uses: DeterminateSystems/update-flake-lock@v21