diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9fc3a51d8..b2dd89da6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -202,7 +202,7 @@ jobs:
           docker manifest push discourse/base:2.0.${{ env.TIMESTAMP }}-slim
           docker manifest push discourse/base:slim
           docker manifest push discourse/base:2.0.${{ env.TIMESTAMP }}
-          docker manifest push discourse/base:2.0.${{ env.TIMESTAMP }}-15
+          docker manifest push discourse/base:2.0.${{ env.TIMESTAMP }}-pg-15
           docker manifest push discourse/base:2.0.${{ env.TIMESTAMP }}-stable
           docker manifest push discourse/base:release
           docker manifest push discourse/base:release-stable