diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index ef41df8..0f8023d 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -11,9 +11,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: DeterminateSystems/flake-checker-action@v4
+      - uses: DeterminateSystems/flake-checker-action@main
 
-      - uses: DeterminateSystems/nix-installer-action@v4
+      - uses: DeterminateSystems/nix-installer-action@main
 
       - uses: DeterminateSystems/magic-nix-cache-action@main
 
@@ -34,9 +34,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: DeterminateSystems/flake-checker-action@v4
+      - uses: DeterminateSystems/flake-checker-action@main
 
-      - uses: DeterminateSystems/nix-installer-action@v4
+      - uses: DeterminateSystems/nix-installer-action@main
 
       - uses: DeterminateSystems/magic-nix-cache-action@main
 
diff --git a/.github/workflows/checks.yaml b/.github/workflows/checks.yaml
index b8e2a30..b028129 100644
--- a/.github/workflows/checks.yaml
+++ b/.github/workflows/checks.yaml
@@ -12,15 +12,14 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v4
+        uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
 
       - name: Check health of flake.lock
-        uses: DeterminateSystems/flake-checker-action@v4
+        uses: DeterminateSystems/flake-checker-action@main
         with:
           fail-mode: true
 
-      - uses: DeterminateSystems/magic-nix-cache-action@main
-
       - name: Check Rust formatting
         run: nix develop --command cargo fmt --check
 
diff --git a/.github/workflows/keygen.yaml b/.github/workflows/keygen.yaml
index 09f30a7..01e6696 100644
--- a/.github/workflows/keygen.yaml
+++ b/.github/workflows/keygen.yaml
@@ -8,6 +8,7 @@ jobs:
       - uses: actions/checkout@v3
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Expose GitHub Runtime
         uses: crazy-max/ghaction-github-runtime@v2
       - name: Dump credentials