diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 712a27c3..29be4951 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,7 +20,7 @@ jobs:
           - ghc902
       fail-fast: true
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 15
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v12