diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f9f7cb9..f54b8a3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -104,6 +104,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: ankane/setup-postgres-valgrind@v1
+        with:
+          postgres-version: 16
       - run: make
       - run: sudo --preserve-env=PG_CONFIG make install
       - run: make installcheck