diff --git a/bundles/org.eclipse.build.tools/.classpath b/bundles/org.eclipse.build.tools/.classpath
index 33f5bee..b631512 100644
--- a/bundles/org.eclipse.build.tools/.classpath
+++ b/bundles/org.eclipse.build.tools/.classpath
@@ -5,7 +5,7 @@
 	<classpathentry kind="src" path="src_bugzilla"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="var" path="ECLIPSE_HOME/plugins/org.eclipse.osgi_3.5.0.v20090511.jar"/>
+	<classpathentry kind="var" path="ECLIPSE_HOME/plugins/org.eclipse.osgi_3.5.1.R35x_v20090817.jar"/>
 	<classpathentry kind="var" path="ECLIPSE_HOME/plugins/org.apache.ant_1.7.1.v20090120-1145/lib/ant.jar"/>
 	<classpathentry kind="var" path="ECLIPSE_HOME/plugins/org.apache.ant_1.7.1.v20090120-1145/lib/ant-launcher.jar"/>
 	<classpathentry kind="output" path="bin"/>