diff --git a/build.gradle b/build.gradle
index 10f88a7..07ab741 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,8 @@
 dependencies {
 	implementation group: 'com.google.guava', name: 'guava', version: '30.0-jre'
 	implementation group: 'com.google.code.gson', name: 'gson', version: '2.8.6'
-	implementation group: 'com.formdev', name: 'flatlaf', version: '0.43'
+	implementation group: 'com.formdev', name: 'flatlaf', version: '0.44'
+   implementation group: 'com.ibm.icu', name: 'icu4j', version: '68.1'
 }
 
 // add Main-Class to manifest