diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index b4945ec..399da1e 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/nix-installer-action@v2
 
       - name: Build package
         run: "nix build .# -L"
@@ -28,7 +28,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/nix-installer-action@v2
 
       - name: Build package
         run: "nix build .# -L"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 796bc29..9bda154 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@main
+        uses: DeterminateSystems/nix-installer-action@v2
       - name: Check flake.lock
         run: |
           nix develop -c cargo run -- ./flake.dirty.lock