diff --git a/core/pom.xml b/core/pom.xml
index 813e137579f..4f1b3496486 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -283,7 +283,7 @@
       <!-- ICU License -->
       <groupId>com.ibm.icu</groupId>
       <artifactId>icu4j</artifactId>
-      <version>70.1</version>
+      <version>73.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>