diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bf17e58a..5415e8df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:16
+        image: pgvector/pgvector:pg16
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
@@ -100,7 +100,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:16
+        image: pgvector/pgvector:pg16
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres