diff --git a/core/pom.xml b/core/pom.xml
index 342ce26a..6c23732b 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -156,7 +156,13 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>13.0</version>
+            <version>13.0.1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.google.code.findbugs</groupId>
+            <artifactId>jsr305</artifactId>
+            <version>1.3.9</version>
         </dependency>
 
         <dependency>