diff --git a/google-guice.spec b/google-guice.spec
index a1b09c5..369fd5f 100644
--- a/google-guice.spec
+++ b/google-guice.spec
@@ -202,6 +202,11 @@ find . -name "*.class" -delete
 
 %pom_remove_parent
 
+%pom_remove_parent core
+%pom_xpath_inject pom:project "
+  <groupId>com.google.inject</groupId>
+  <version>4.1.0</version>" core
+
 %pom_disable_module persist extensions
 %pom_disable_module spring extensions