diff --git a/libserializer-1.1.2.java11.patch b/libserializer-1.1.2.java11.patch
index bd97d03..f46e5b1 100644
--- a/libserializer-1.1.2.java11.patch
+++ b/libserializer-1.1.2.java11.patch
@@ -6,8 +6,8 @@
              description="Indicates whether source should be compiled with deprecation information" />
 -  <property name="javac.source" value="1.5" description="Provide source compatibility with specified release" />
 -  <property name="javac.target" value="1.5" description="Generate class files for specific VM version" />
-+  <property name="javac.source" value="1.6" description="Provide source compatibility with specified release" />
-+  <property name="javac.target" value="1.6" description="Generate class files for specific VM version" />
++  <property name="javac.source" value="1.8" description="Provide source compatibility with specified release" />
++  <property name="javac.target" value="1.8" description="Generate class files for specific VM version" />
  
    <!-- Build Cache properties -->
    <property name="build.cache.dir"
@@ -16,7 +16,7 @@
      <javadoc destdir="${javadoc.dir}/docs/api"
               access="public"
 -             source="1.5"
-+             source="1.6"
++             source="1.8"
               use="true"
               notree="false"
               nonavbar="false"
diff --git a/libserializer.spec b/libserializer.spec
index effbeb5..e1343dd 100644
--- a/libserializer.spec
+++ b/libserializer.spec
@@ -1,6 +1,6 @@
 Name: libserializer
 Version: 1.1.2
-Release: 30%{?dist}
+Release: 31%{?dist}
 Summary: JFreeReport General Serialization Framework
 License: LGPLv2+
 #Original source: http://downloads.sourceforge.net/jfreereport/libserializer-%%{version}.zip
@@ -57,6 +57,10 @@ cp -rp bin/javadoc/docs/api $RPM_BUILD_ROOT%{_javadocdir}/%{name}
 %{_javadocdir}/%{name}
 
 %changelog
+* Mon Jun 29 2026 Tomas Popela <tpopela@redhat.com> - 1.1.2-31
+- Fix build with Java 17
+- Resolves: RHEL-183535
+
 * Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 1.1.2-30
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688