diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index e7aa306..b5317d0 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -43,7 +43,9 @@ jobs:
           platforms: linux/amd64,linux/arm64
           cache-from: type=gha
           cache-to: type=gha,mode=max
-          build-args: PG_MAJOR=15,PGVECTOR_TAG=v0.6.2
+          build-args: |
+            PG_MAJOR=15
+            PGVECTOR_TAG=v0.6.2
 
   image-dockerhub:
     runs-on: ubuntu-20.04
@@ -75,4 +77,6 @@ jobs:
           platforms: linux/amd64,linux/arm64
           cache-from: type=gha
           cache-to: type=gha,mode=max
-          build-args: PG_MAJOR=15,PGVECTOR_TAG=v0.6.2
+          build-args: |
+            PG_MAJOR=15
+            PGVECTOR_TAG=v0.6.2