diff --git a/java-21-openjdk.spec b/java-21-openjdk.spec
index 76b3613..606a4ed 100644
--- a/java-21-openjdk.spec
+++ b/java-21-openjdk.spec
@@ -366,7 +366,7 @@
 %global top_level_dir_name   %{vcstag}
 %global top_level_dir_name_backup %{top_level_dir_name}-backup
 %global buildver        7
-%global rpmrelease      1
+%global rpmrelease      2
 # Settings used by the portable build
 %global portablerelease 1
 # Portable suffix differs between RHEL and CentOS
@@ -1159,8 +1159,8 @@ Requires: ca-certificates
 # Require javapackages-filesystem for ownership of /usr/lib/jvm/ and macros
 Requires: javapackages-filesystem
 # Require zone-info data provided by tzdata-java sub-package
-# 2024a required as of JDK-8325150
-Requires: tzdata-java >= 2024a
+# 2024b required as of JDK-8339637
+Requires: tzdata-java >= 2024b
 # for support of kernel stream control
 # libsctp.so.1 is being `dlopen`ed on demand
 Requires: lksctp-tools%{?_isa}
@@ -1507,8 +1507,8 @@ BuildRequires: %{pkgnameroot}-misc = %{epoch}:%{version}-%{prelease}.%{portables
 %ifarch %{zero_arches}
 BuildRequires: libffi-devel
 %endif
-# 2024a required as of JDK-8325150
-BuildRequires: tzdata-java >= 2024a
+# 2024b required as of JDK-8339637
+BuildRequires: tzdata-java >= 2024b
 # Earlier versions have a bug in tree vectorization on PPC
 BuildRequires: gcc >= 4.8.3-8
 
@@ -2561,6 +2561,10 @@ cjc.mainProgram(args)
 %endif
 
 %changelog
+* Thu Feb 06 2025 Andrew Hughes <gnu.andrew@redhat.com> - 1:21.0.6.0.7-2
+- Bump tzdata requirement to 2024b for JDK-8339637
+- Resolves: RHEL-74001
+
 * Sat Jan 18 2025 Andrew Hughes <gnu.andrew@redhat.com> - 1:21.0.6.0.7-1
 - Update to jdk-21.0.6+7 (GA)
 - Update release notes to 21.0.6+7