diff --git a/lib/src/main/java/org/asamk/signal/manager/storage/groups/GroupStore.java b/lib/src/main/java/org/asamk/signal/manager/storage/groups/GroupStore.java
index dbbebdf0..86459c2a 100644
--- a/lib/src/main/java/org/asamk/signal/manager/storage/groups/GroupStore.java
+++ b/lib/src/main/java/org/asamk/signal/manager/storage/groups/GroupStore.java
@@ -22,9 +22,9 @@ import org.signal.zkgroup.InvalidInputException;
 import org.signal.zkgroup.groups.GroupMasterKey;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.whispersystems.libsignal.util.Hex;
 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
 import org.whispersystems.signalservice.api.util.UuidUtil;
+import org.whispersystems.signalservice.internal.util.Hex;
 
 import java.io.File;
 import java.io.FileInputStream;