diff --git a/bitbucket-pipelines.yml b/bitbucket-pipelines.yml
index 300a66f..25b7db0 100644
--- a/bitbucket-pipelines.yml
+++ b/bitbucket-pipelines.yml
@@ -8,6 +8,9 @@ image: atlassian/default-image:2
 pipelines:
   custom:
    npmpublish:
+    - step:
+      script:
+        - git submodule update --init   
     - step:
         script:
           - echo "Publishing Unity UI Extensions to NPM"