diff --git a/.idea/modules.xml b/.idea/modules.xml
index 463eb8bb67f..9c559c5bba1 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -12,6 +12,7 @@
       <module fileurl="file://$PROJECT_DIR$/grammar/grammar.iml" filepath="$PROJECT_DIR$/grammar/grammar.iml" />
       <module fileurl="file://$PROJECT_DIR$/idea/idea.iml" filepath="$PROJECT_DIR$/idea/idea.iml" />
       <module fileurl="file://$PROJECT_DIR$/stdlib/stdlib.iml" filepath="$PROJECT_DIR$/stdlib/stdlib.iml" />
+      <module fileurl="file://$PROJECT_DIR$/testlib/testlib.iml" filepath="$PROJECT_DIR$/testlib/testlib.iml" />
     </modules>
   </component>
 </project>