diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 703936c..b1abf90 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,6 +2,7 @@ name: build
 on: [push, pull_request]
 jobs:
   build:
+    # nim package not available on ubuntu-22.04
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v4
@@ -16,5 +17,5 @@ jobs:
           cd pgvector
           make
           sudo make install
-      - run: nimble install db_connector
+      - run: nimble -y install db_connector
       - run: nim c --run example.nim