diff --git a/java/java-indexing-impl/src/com/intellij/psi/impl/java/stubs/index/JavaModuleNameIndex.java b/java/java-indexing-impl/src/com/intellij/psi/impl/java/stubs/index/JavaModuleNameIndex.java
index 08152a07c769..6c91cd6700fc 100644
--- a/java/java-indexing-impl/src/com/intellij/psi/impl/java/stubs/index/JavaModuleNameIndex.java
+++ b/java/java-indexing-impl/src/com/intellij/psi/impl/java/stubs/index/JavaModuleNameIndex.java
@@ -3,6 +3,7 @@ package com.intellij.psi.impl.java.stubs.index;
 
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.roots.ProjectFileIndex;
+import com.intellij.openapi.util.Key;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiJavaModule;
 import com.intellij.psi.impl.search.JavaSourceFilterScope;
@@ -10,6 +11,9 @@ import com.intellij.psi.search.GlobalSearchScope;
 import com.intellij.psi.stubs.StringStubIndexExtension;
 import com.intellij.psi.stubs.StubIndex;
 import com.intellij.psi.stubs.StubIndexKey;
+import com.intellij.psi.util.CachedValue;
+import com.intellij.psi.util.CachedValueProvider;
+import com.intellij.util.CachedValueImpl;
 import com.intellij.util.SmartList;
 import com.intellij.util.containers.ContainerUtil;
 import org.jetbrains.annotations.NotNull;
@@ -108,15 +112,24 @@ public class JavaModuleNameIndex extends StringStubIndexExtension<PsiJavaModule>
     return results;
   }
 
+  private static final Key<CachedValue<Boolean>> MULTI_RELEASE_KEY = Key.create("jar.multi.release.key");
+
   private static boolean isMultiReleaseJar(VirtualFile root) {
     VirtualFile manifest = root.findFileByRelativePath(JarFile.MANIFEST_NAME);
-    if (manifest != null) {
-      try (InputStream stream = manifest.getInputStream()) {
-        return Boolean.valueOf(new Manifest(stream).getMainAttributes().getValue(new Attributes.Name("Multi-Release")));
-      }
-      catch (IOException ignored) { }
+    if (manifest == null) return false;
+
+    CachedValue<Boolean> value = manifest.getUserData(MULTI_RELEASE_KEY);
+    if (value == null) {
+      manifest.putUserData(MULTI_RELEASE_KEY, value = new CachedValueImpl<>(() -> {
+        Boolean result = Boolean.FALSE;
+        try (InputStream stream = manifest.getInputStream()) {
+          result = Boolean.valueOf(new Manifest(stream).getMainAttributes().getValue(new Attributes.Name("Multi-Release")));
+        }
+        catch (IOException ignored) { }
+        return CachedValueProvider.Result.create(result, manifest);
+      }));
     }
-    return false;
+    return value.getValue();
   }
 
   private static int version(VirtualFile dir) {