diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index abdefe6..139d511 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6
         with:
-          go-version: 1.25
+          go-version: 1.27
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
       - name: Nix build (flake default)