diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index bf433a0a..8554d079 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -155,7 +155,7 @@ jobs:
         working-directory: "messages"
 
       - name: "Build proto messages"
-        run: yarn run proto && yarn run copy-to-back
+        run: yarn run proto && yarn run copy-to-back && yarn run json-copy-to-back
         working-directory: "messages"
 
       - name: "Build"