fix spring base version
diff --git a/pom.xml b/pom.xml
index 075a39f..acf6ff9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
 
         <!-- Spring version -->
         <spring.maven.artifact.version>3.1.1.RELEASE</spring.maven.artifact.version>
-        <spring.base.version>3.1.0</spring.base.version>
+        <spring.base.version>3.0.0</spring.base.version>
 
         <symName.prefix>org.eclipse.gemini.blueprint</symName.prefix>
         <spring.osgi.symbolic.name>${project.groupId}.${project.artifactId}</spring.osgi.symbolic.name>