diff --git a/.github/workflows/validate-build.yml b/.github/workflows/validate-build.yml
index 871e2ba..3febad8 100644
--- a/.github/workflows/validate-build.yml
+++ b/.github/workflows/validate-build.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - name: Check Nix flake inputs
-        uses: DeterminateSystems/flake-checker-action@v12
+        uses: DeterminateSystems/flake-checker-action@v14
       - name: Install Nix
         uses: DeterminateSystems/determinate-nix-action@v3.21.2
       - name: Build default package
diff --git a/.github/workflows/validate-tag.yml b/.github/workflows/validate-tag.yml
index 055e1fe..61a06d5 100644
--- a/.github/workflows/validate-tag.yml
+++ b/.github/workflows/validate-tag.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - name: Check Nix flake inputs
-        uses: DeterminateSystems/flake-checker-action@v12
+        uses: DeterminateSystems/flake-checker-action@v14
       - name: Install Nix
         uses: DeterminateSystems/determinate-nix-action@v3.21.2
       - name: Build default package