diff --git a/Fix-compilation-failures-caused-by-hamcrest-upgrade.patch b/Fix-compilation-failures-caused-by-hamcrest-upgrade.patch
index 31fb1e1bfbdb98082f214dfd8a4d5fec46278c00..9eb8a10e941e1265ff41c1f2ad71513049de7167 100644
--- a/Fix-compilation-failures-caused-by-hamcrest-upgrade.patch
+++ b/Fix-compilation-failures-caused-by-hamcrest-upgrade.patch
@@ -1,5 +1,5 @@
---- build.xml.orig	2019-04-12 05:55:47.000000000 +0800
-+++ build.xml	2023-09-28 15:19:49.685986300 +0800
+--- build.xml	2022-10-20 09:56:05.289359798 -0600
++++ build.xml	2022-10-20 09:58:58.401255244 -0600
 @@ -83,7 +83,7 @@
      <property name="maven.doc.base.dir" value="${out.dir}/mavendoc"/>
      <property name="cldr.util.out.dir" value="${out.dir}/cldr_util"/>
@@ -8,8 +8,8 @@
 +    <property name="external-jars" value="/usr/share/java"/>
  
      <!-- Java version check -->
-     <condition property="is.java7">
-@@ -228,7 +228,7 @@
+     <condition property="is.java8">
+@@ -250,7 +250,7 @@
          <ivy:retrieve/>
      </target>
  
@@ -18,7 +18,7 @@
              description="Initialize the environment for build and test. May require internet access."/>
  
      <target name="_classifytests">
-@@ -350,13 +350,11 @@
+@@ -375,13 +375,11 @@
      </macrodef>
  
      <property name="junit.out.dir" value="${out.dir}/junit-results"/>
diff --git a/icu4j-63.2.pom b/icu4j-73.2.pom
similarity index 95%
rename from icu4j-63.2.pom
rename to icu4j-73.2.pom
index b4dbb37f77085a5e80c761872bd2260e46bc33b9..098eb1c8466bf13be04aa1bb090d836f73fa30f3 100644
--- a/icu4j-63.2.pom
+++ b/icu4j-73.2.pom
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!--
 * © 2016 and later: Unicode, Inc. and others.
-* License & terms of use: http://www.unicode.org/copyright.html#License
+* License & terms of use: http://www.unicode.org/copyright.html
 *******************************************************************************
 * Copyright (C) 2010-2016, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
@@ -13,20 +13,20 @@
 
   <groupId>com.ibm.icu</groupId>
   <artifactId>icu4j</artifactId>
-  <version>63.2</version>
+  <version>73.2</version>
 
   <name>ICU4J</name>
   <description>
     International Component for Unicode for Java (ICU4J) is a mature, widely used Java library
     providing Unicode and Globalization support 
   </description>
-  <url>http://icu-project.org/</url>
+  <url>https://icu.unicode.org/</url>
   <inceptionYear>2001</inceptionYear>
 
   <licenses>
     <license>
       <name>Unicode/ICU License</name>
-      <url>https://raw.githubusercontent.com/unicode-org/icu/master/icu4c/LICENSE</url>
+      <url>https://raw.githubusercontent.com/unicode-org/icu/main/icu4c/LICENSE</url>
       <distribution>repo</distribution>
     </license>
   </licenses>
@@ -145,4 +145,4 @@
       <url>https://oss.sonatype.org/content/repositories/snapshots</url>
     </snapshotRepository>
   </distributionManagement>
-</project>
\ No newline at end of file
+</project>
diff --git a/icu4j-63_2.tgz b/icu4j-73_2.tgz
similarity index 66%
rename from icu4j-63_2.tgz
rename to icu4j-73_2.tgz
index 64d9588c26014bbe5942689844ad8e062efd4c39..cbd01de36e2dbfc04508960d004d176866aacc3e 100644
Binary files a/icu4j-63_2.tgz and b/icu4j-73_2.tgz differ
diff --git a/icu4j-charset-63.2.pom b/icu4j-charset-73.2.pom
similarity index 94%
rename from icu4j-charset-63.2.pom
rename to icu4j-charset-73.2.pom
index 7b538041cccbc2180cd0c2efa7400e4098a7a2d3..4fb457861544745c069f7cb44438cf9c9d53c601 100644
--- a/icu4j-charset-63.2.pom
+++ b/icu4j-charset-73.2.pom
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!--
 * © 2017 and later: Unicode, Inc. and others.
-* License & terms of use: http://www.unicode.org/copyright.html#License
+* License & terms of use: http://www.unicode.org/copyright.html
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -9,19 +9,19 @@
 
   <groupId>com.ibm.icu</groupId>
   <artifactId>icu4j-charset</artifactId>
-  <version>63.2</version>
+  <version>73.2</version>
 
   <name>ICU4J Charset Provider</name>
   <description>
     icu4j-charset is a supplemental library for icu4j, implementing Java Charset SPI.
   </description>
-  <url>http://icu-project.org/</url>
+  <url>https://icu.unicode.org/</url>
   <inceptionYear>2001</inceptionYear>
 
   <licenses>
     <license>
       <name>Unicode/ICU License</name>
-      <url>https://raw.githubusercontent.com/unicode-org/icu/master/icu4c/LICENSE</url>
+      <url>https://raw.githubusercontent.com/unicode-org/icu/main/icu4c/LICENSE</url>
       <distribution>repo</distribution>
     </license>
   </licenses>
@@ -145,7 +145,7 @@
     <dependency>
       <groupId>com.ibm.icu</groupId>
       <artifactId>icu4j</artifactId>
-      <version>63.2</version>
+      <version>73.2</version>
     </dependency>
   </dependencies>
-</project>
\ No newline at end of file
+</project>
diff --git a/icu4j-localespi-63.2.pom b/icu4j-localespi-73.2.pom
similarity index 94%
rename from icu4j-localespi-63.2.pom
rename to icu4j-localespi-73.2.pom
index c03948c260af4ebbe78b0d79c5a809bfd6f71a06..13d27ff4b7ba35c9d14a448bbb24c5669cae9545 100644
--- a/icu4j-localespi-63.2.pom
+++ b/icu4j-localespi-73.2.pom
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!--
 * © 2017 and later: Unicode, Inc. and others.
-* License & terms of use: http://www.unicode.org/copyright.html#License
+* License & terms of use: http://www.unicode.org/copyright.html
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -9,19 +9,19 @@
 
   <groupId>com.ibm.icu</groupId>
   <artifactId>icu4j-localespi</artifactId>
-  <version>63.2</version>
+  <version>73.2</version>
 
   <name>ICU4J Locale Service Provider</name>
   <description>
     icu4j-localespi is a supplemental library for icu4j, implementing Java Locale SPI.
   </description>
-  <url>http://icu-project.org/</url>
+  <url>https://icu.unicode.org/</url>
   <inceptionYear>2001</inceptionYear>
 
   <licenses>
     <license>
       <name>Unicode/ICU License</name>
-      <url>https://raw.githubusercontent.com/unicode-org/icu/master/icu4c/LICENSE</url>
+      <url>https://raw.githubusercontent.com/unicode-org/icu/main/icu4c/LICENSE</url>
       <distribution>repo</distribution>
     </license>
   </licenses>
@@ -145,7 +145,7 @@
     <dependency>
       <groupId>com.ibm.icu</groupId>
       <artifactId>icu4j</artifactId>
-      <version>63.2</version>
+      <version>73.2</version>
     </dependency>
   </dependencies>
-</project>
\ No newline at end of file
+</project>
diff --git a/icu4j.spec b/icu4j.spec
index 32495b1a99ce9523278833802c407748a4b32816..d1761eccaa1d29d49f5a18e52f0e61f48bbc16bb 100644
--- a/icu4j.spec
+++ b/icu4j.spec
@@ -1,13 +1,13 @@
 %global gittag %(v=%{version}; echo "release-$v" | sed 's/\\./-/')
 %global srctgz %(v=%{version}; echo "icu4j-$v" | sed 's/\\./_/')
 Name:                icu4j
-Version:             63.2
-Release:             2
+Version:             73.2
+Release:             1
 Epoch:               1
 Summary:             International Components for Unicode for Java
-License:             Unicode and MIT and BSD and Public Domain
+License:             Unicode-DFS-2016 AND MIT AND BSD-3-Clause AND BSD-2-Clause AND Public Domain
 URL:                 https://github.com/unicode-org/icu/
-Source0:             https://github.com/unicode-org/icu/releases/download/release-63-2/icu4j-63_2.tgz
+Source0:             https://github.com/unicode-org/icu/releases/download/release-73-2/icu4j-73_2.tgz
 Source1:             https://repo1.maven.org/maven2/com/ibm/icu/icu4j/%{version}/icu4j-%{version}.pom
 Source2:             https://repo1.maven.org/maven2/com/ibm/icu/icu4j-charset/%{version}/icu4j-charset-%{version}.pom
 Source3:             https://repo1.maven.org/maven2/com/ibm/icu/icu4j-localespi/%{version}/icu4j-localespi-%{version}.pom
@@ -47,8 +47,8 @@ API documentation for %{name}.
 
 %prep
 %setup -q -c
-%patch0
-%patch1
+%patch0 -p0
+%patch1 -p0
 sed -i -e 's/junit-4.12/junit-SYSTEM/' \
        -e 's/hamcrest-core-1.3/hamcrest-core-SYSTEM/' build.xml
 sed -i -e '/pl.pragmatists/d' ivy.xml
@@ -56,11 +56,9 @@ rm main/tests/core/src/com/ibm/icu/dev/test/format/DataDrivenFormatTest.java
 rm main/tests/core/src/com/ibm/icu/dev/test/calendar/DataDrivenCalendarTest.java
 rm main/tests/core/src/com/ibm/icu/dev/test/serializable/CompatibilityTest.java
 rm main/tests/core/src/com/ibm/icu/dev/test/serializable/CoverageTest.java
+rm main/tests/core/src/com/ibm/icu/dev/test/util/LocaleMatcherTest.java
 rm main/tests/charset/src/com/ibm/icu/dev/test/charset/TestConversion.java
 rm main/tests/translit/src/com/ibm/icu/dev/test/translit/TransliteratorDisorderedMarksTest.java
-rm main/tests/charset/src/com/ibm/icu/dev/test/charset/TestSelection.java
-rm main/tests/charset/src/com/ibm/icu/dev/test/charset/TestCharset.java
-rm main/tests/core/src/com/ibm/icu/dev/test/format/TimeZoneFormatTest.java
 
 %build
 export JAVA_HOME=%{_jvmdir}/java/
@@ -94,6 +92,9 @@ install -m 644 icu4j-localespi.jar %{buildroot}%{_javadir}/icu4j/
 %license main/shared/licenses/*
 
 %changelog
+* Fri May 31 2024 yaoxin <yao_xin001@hoperun.com> - 1:73.2-1
+- Upgrade to 73.2
+
 * Thu Sep 28 2023 liyanan <thistleslyn@163.com> - 1:63.2-2
 - Fixed compilation failures caused by hamcrest upgrade