diff --git a/libraries.gradle b/libraries.gradle
index abfbdfd6ee..98f835e3a0 100644
--- a/libraries.gradle
+++ b/libraries.gradle
@@ -26,7 +26,7 @@ libraries = [
         dom4j:          'dom4j:dom4j:1.6.1@jar',
 
         // Javassist
-        javassist:      'org.javassist:javassist:3.15.0-GA',
+        javassist:      'org.javassist:javassist:3.18.1-GA',
 
         // javax
         jpa:            'org.hibernate.javax.persistence:hibernate-jpa-2.0-api:1.0.1.Final',