diff --git a/service/pom.xml b/service/pom.xml
index 4ab11b74c..58080d27f 100644
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -41,7 +41,7 @@
         <dependency>
             <groupId>org.signal</groupId>
             <artifactId>zkgroup-java</artifactId>
-            <version>0.4.0</version>
+            <version>0.4.2</version>
         </dependency>