diff --git a/jdeparser.spec b/jdeparser.spec
index ab4673d..92e8c7e 100644
--- a/jdeparser.spec
+++ b/jdeparser.spec
@@ -3,16 +3,16 @@
 
 Name:             jdeparser
 Version:          2.0.3
-Release:          12%{?dist}
+Release:          13%{?dist}
 Summary:          Source generator library for Java
 License:          ASL 2.0
 URL:              https://github.com/jdeparser/jdeparser2
 # old repos https://github.com/jdeparser/jdeparser
 Source0:          %{url}/archive/%{namedversion}/%{name}-%{namedversion}.tar.gz
-Patch:           0001-Fix-build-error-depending-on-class-removed-in-Java-1.patch
+Patch1:           0001-Fix-build-error-depending-on-class-removed-in-Java-1.patch
 BuildArch:        noarch
 
-BuildRequires:    java-1.8.0-openjdk-devel
+BuildRequires:    java-11-openjdk-devel
 BuildRequires:    maven-local
 BuildRequires:    mvn(junit:junit)
 BuildRequires:    mvn(org.jboss:jboss-parent:pom:)
@@ -31,11 +31,9 @@ This package contains the API documentation for %{name}.
 
 %prep
 %setup -q -n jdeparser2-%{namedversion}
-%patch -p1
+%patch1 -p1
 
 %build
-# Use Java 8 as sun.reflect.Reflection is removed in Java 11.
-export JAVA_HOME=%{_jvmdir}/java-1.8.0
 %mvn_build
 
 %install
@@ -48,6 +46,9 @@ export JAVA_HOME=%{_jvmdir}/java-1.8.0
 %license LICENSE.txt
 
 %changelog
+* Fri Mar 10 2023 Red Hat PKI Team <rhcs-maint@redhat.com> 2.0.3-13
+- Bug 2176827 - [RHEL9][FTBFS]: jdeparser-2.0.3-12.el9
+
 * Tue Aug 17 2021 Red Hat PKI Team <rhcs-maint@redhat.com> 2.0.3-9
 - Bug 1981014 - jdeparser: FTBFS due to access to internal class sun.reflect.Reflection