diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6cff3b9..2b2f7d0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
       matrix:
         include:
           - ruby: 3.3
-            postgres: 16
+            postgres: 17
           - ruby: 3.2
             postgres: 15
           - ruby: 3.1