diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 20d5e03..3b5415f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v3.3.0
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@e1f2e54ff90b012560f19481e250bb7d909f3acd
+        uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2.1.0
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 1fd7d1e..efb1a4b 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3.3.0
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@e1f2e54ff90b012560f19481e250bb7d909f3acd
+        uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Enable binary cache
         uses: cachix/cachix-action@v12
diff --git a/.github/workflows/manual-stable.yml b/.github/workflows/manual-stable.yml
index f71e288..3be9cbc 100644
--- a/.github/workflows/manual-stable.yml
+++ b/.github/workflows/manual-stable.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v3.3.0
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@e1f2e54ff90b012560f19481e250bb7d909f3acd
+        uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Enable Binary Cache
         uses: cachix/cachix-action@v12
diff --git a/.github/workflows/manual.yml b/.github/workflows/manual.yml
index 4d75fd3..357d9ca 100644
--- a/.github/workflows/manual.yml
+++ b/.github/workflows/manual.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v3.3.0
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@e1f2e54ff90b012560f19481e250bb7d909f3acd
+        uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Enable Binary Cache
         uses: cachix/cachix-action@v12
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8f160f0..fbc5e5a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@e1f2e54ff90b012560f19481e250bb7d909f3acd
+        uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Enable Binary Cache
         uses: cachix/cachix-action@v12