diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 9b46545f4b..5b5d5e934c 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -8,6 +8,7 @@
         <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
         <outputRelativeToContentRoot value="true" />
         <module name="assertion-libraries" />
+        <module name="core-java-serialization" />
         <module name="core-java-annotations" />
         <module name="core-java-uuid" />
         <module name="core-java-numbers" />
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
index e547657354..ddd195c5b3 100644
--- a/.idea/encodings.xml
+++ b/.idea/encodings.xml
@@ -33,6 +33,8 @@
     <file url="file://$PROJECT_DIR$/core-java-modules/core-java-io/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/core-java-modules/core-java-numbers/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/core-java-modules/core-java-numbers/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-serialization/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-serialization/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/core-java-modules/core-java-streams/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/core-java-modules/core-java-streams/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/core-java-modules/core-java-strings/src/main/java" charset="UTF-8" />