diff --git a/dom4j.spec b/dom4j.spec
index a7fc35c..97d5e9a 100644
--- a/dom4j.spec
+++ b/dom4j.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package dom4j
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -52,6 +52,7 @@ BuildRequires:  isorelax
 BuildRequires:  java-devel >= 1.6
 # Needed for maven conversions
 BuildRequires:  javapackages-local
+BuildRequires:  glassfish-jaxb-api
 BuildRequires:  javapackages-tools
 BuildRequires:  jaxen-bootstrap >= 1.1
 BuildRequires:  jtidy
@@ -77,7 +78,7 @@ Requires:       xpp2
 Requires:       xpp3
 #Requires:       jaxp = 1.2
 Requires(post): javapackages-tools
-Requires(postun): javapackages-tools
+Requires(postun):javapackages-tools
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
 
@@ -168,7 +169,7 @@ popd
 popd
 
 %build
-export CLASSPATH=$(build-classpath jaxen relaxngDatatype xpp3 xpp2)
+export CLASSPATH=$(build-classpath jaxen relaxngDatatype xpp3 xpp2 glassfish-jaxb-api)
 export OPT_JAR_LIST="junit ant/ant-junit"
 rm -rf src/java/org/dom4j/datatype
 ant package release-javadoc