diff --git a/pom.xml b/pom.xml
index f91569b..91ea0b6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<soot.version>3.3.0</soot.version>
-		<wala.version>1.5.4</wala.version>
+		<wala.version>1.6.4</wala.version>
 	</properties>
 
 	<dependencies>