diff --git a/pom.xml b/pom.xml
index 1c100d167..662e637fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
             <dependency>
                 <groupId>net.openhft</groupId>
                 <artifactId>lang</artifactId>
-                <version>6.4.20-SNAPSHOT</version>
+                <version>6.4.21</version>
             </dependency>
 
             <dependency>