diff --git a/org.eclipse.xtext.java/META-INF/MANIFEST.MF b/org.eclipse.xtext.java/META-INF/MANIFEST.MF
index f02bd6faa8b..1d8b33bde16 100644
--- a/org.eclipse.xtext.java/META-INF/MANIFEST.MF
+++ b/org.eclipse.xtext.java/META-INF/MANIFEST.MF
@@ -11,7 +11,8 @@ Require-Bundle: org.eclipse.xtext;bundle-version="2.37.0",
  org.eclipse.jdt.core;bundle-version="3.29.0",
  org.eclipse.emf.common;bundle-version="2.24.0",
  org.eclipse.emf.ecore;bundle-version="2.26.0",
- org.eclipse.core.runtime
+ org.eclipse.core.runtime;visibility:=reexport,
+ org.eclipse.core.resources;visibility:=reexport
 Export-Package: org.eclipse.xtext.java;version="2.37.0",
  org.eclipse.xtext.java.resource;version="2.37.0"
 Import-Package: org.apache.log4j;version="1.2.24"
diff --git a/org.eclipse.xtext.xbase.testing/META-INF/MANIFEST.MF b/org.eclipse.xtext.xbase.testing/META-INF/MANIFEST.MF
index f8841298db1..0a58a233bac 100644
--- a/org.eclipse.xtext.xbase.testing/META-INF/MANIFEST.MF
+++ b/org.eclipse.xtext.xbase.testing/META-INF/MANIFEST.MF
@@ -11,7 +11,8 @@ Require-Bundle: org.eclipse.xtext;bundle-version="2.37.0",
  org.eclipse.jdt.core;bundle-version="3.29.0";visibility:=reexport,
  org.junit;bundle-version="4.13.2",
  org.eclipse.xtext.testing;bundle-version="2.37.0",
- org.eclipse.core.runtime;bundle-version="3.24.100"
+ org.eclipse.core.runtime;bundle-version="3.24.100";visibility:=reexport,
+ org.eclipse.core.resources;visibility:=reexport
 Bundle-ActivationPolicy: lazy
 Export-Package: org.eclipse.xtext.xbase.testing;version="2.37.0",
  org.eclipse.xtext.xbase.testing.evaluation;version="2.37.0";x-friends:="org.eclipse.xtext.xbase.tests,org.eclipse.xtext.purexbase.tests,org.eclipse.xtend.core.tests",