diff --git a/Plan/build.gradle b/Plan/build.gradle
index b8ee024dc..4af292f24 100644
--- a/Plan/build.gradle
+++ b/Plan/build.gradle
@@ -98,7 +98,7 @@ subprojects {
         geoIpVersion = "4.2.0"
         gsonVersion = "2.10.1"
         dependencyDownloadVersion = "1.3.1"
-        ipAddressMatcherVersion = "5.4.2"
+        ipAddressMatcherVersion = "5.5.0"
         jasyptVersion = "1.9.3"
 
         bstatsVersion = "3.0.2"