diff --git a/platform/projectModel-api/src/com/intellij/openapi/roots/ImmutableSyntheticLibrary.java b/platform/projectModel-api/src/com/intellij/openapi/roots/ImmutableSyntheticLibrary.java
index a023a2add378..a9c1d513b7ca 100644
--- a/platform/projectModel-api/src/com/intellij/openapi/roots/ImmutableSyntheticLibrary.java
+++ b/platform/projectModel-api/src/com/intellij/openapi/roots/ImmutableSyntheticLibrary.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.openapi.roots;
 
 import com.intellij.openapi.util.Condition;
@@ -11,7 +11,7 @@ import org.jetbrains.annotations.Nullable;
 import java.util.*;
 
 @ApiStatus.Internal
-class ImmutableSyntheticLibrary extends SyntheticLibrary {
+public class ImmutableSyntheticLibrary extends SyntheticLibrary {
   private final List<VirtualFile> mySourceRoots;
   private final List<VirtualFile> myBinaryRoots;
   private final Set<VirtualFile> myExcludedRoots;