diff --git a/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF b/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
index ad89cad..87abba7 100644
--- a/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
+++ b/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
@@ -16,7 +16,8 @@
  org.eclipse.core.runtime,
  com.ibm.icu,
  org.eclipse.emf.databinding,
- org.eclipse.core.resources
+ org.eclipse.core.resources,
+ org.eclipse.core.filesystem;bundle-version="1.3.100"
 Import-Package: org.apache.log4j,
  org.apache.commons.logging
 Bundle-RequiredExecutionEnvironment: J2SE-1.5