diff --git a/pom.xml b/pom.xml
index c012710..21acec8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,7 +58,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <icu4j.version>77.1</icu4j.version>
+        <icu4j.version>78.1</icu4j.version>
         <guava.version>33.4.5-jre</guava.version>
         <slf4j.version>2.0.16</slf4j.version>
         <junit.version>4.13.2</junit.version>