diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index fa5a641949c2..18414e8b5f65 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -13,7 +13,7 @@
       <option name="STATIC_METHODS_ORDER_WEIGHT" value="5" />
       <option name="METHODS_ORDER_WEIGHT" value="4" />
     </GroovyCodeStyleSettings>
-    <JavaCodeStyleSettings>
+    <JavaCodeStyleSettings version="1">
       <option name="FIELD_NAME_PREFIX" value="my" />
       <option name="STATIC_FIELD_NAME_PREFIX" value="our" />
       <option name="PREFER_LONGER_NAMES" value="false" />