diff --git a/jzlib.spec b/jzlib.spec
index 09a51a0..5a00180 100644
--- a/jzlib.spec
+++ b/jzlib.spec
@@ -1,7 +1,6 @@
 Name:           jzlib
 Version:        1.1.3
-Release:        17%{?dist}
-Epoch:          0
+Release:        18%{?dist}
 Summary:        Re-implementation of zlib in pure Java
 License:        BSD
 URL:            http://www.jcraft.com/jzlib/
@@ -29,7 +28,7 @@ Summary:        API documentation for %{name}
 
 %package        demo
 Summary:        Examples for %{name}
-Requires:       %{name} = %{epoch}:%{version}-%{release}
+Requires:       %{name} = %{version}-%{release}
 
 %description    demo
 %{summary}.
@@ -38,17 +37,14 @@ Requires:       %{name} = %{epoch}:%{version}-%{release}
 %setup -q
 %patch0
 
+%pom_xpath_set "pom:plugin[pom:artifactId='maven-compiler-plugin']/pom:configuration/pom:source" 1.6
+%pom_xpath_set "pom:plugin[pom:artifactId='maven-compiler-plugin']/pom:configuration/pom:target" 1.6
+
 # Make into OSGi bundle
 %pom_xpath_inject "pom:project" "<packaging>bundle</packaging>"
 %pom_add_plugin "org.apache.felix:maven-bundle-plugin" . "<extensions>true</extensions>"
 
 %mvn_file : %{name}
-sed -i -e "s|1.5|1.6|" pom.xml
-# Fix javadoc generation on java 11
-%pom_xpath_inject pom:build/pom:plugins "<plugin>
-<artifactId>maven-javadoc-plugin</artifactId>
-<configuration><source>1.8</source></configuration>
-</plugin>" 
 
 %build
 %mvn_build
@@ -70,6 +66,9 @@ cp -pr example/* %{buildroot}%{_datadir}/%{name}
 %doc %{_datadir}/%{name}
 
 %changelog
+* Mon Jun 28 2021 Mikolaj Izdebski <mizdebsk@redhat.com> - 1.1.3-18
+- Convert sources to SHA512
+
 * Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 0:1.1.3-17
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
 
@@ -88,9 +87,15 @@ cp -pr example/* %{buildroot}%{_datadir}/%{name}
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0:1.1.3-12
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 
+* Tue Nov 05 2019 Mikolaj Izdebski <mizdebsk@redhat.com> - 1.1.3-10
+- Mass rebuild for javapackages-tools 201902
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0:1.1.3-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
+* Fri May 24 2019 Mikolaj Izdebski <mizdebsk@redhat.com> - 1.1.3-9
+- Mass rebuild for javapackages-tools 201901
+
 * Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0:1.1.3-10
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
 
diff --git a/sources b/sources
index ea02bc4..17cd169 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-f7cea898d9c0834f457f39e3a425a2cf  1.1.3.tar.gz
+SHA512 (1.1.3.tar.gz) = d78ed3feaded0bde62b3e2c6fb17b5051a6637bcf12e7fe0f5b1855922358b54b440b05bdba7328c5d2cb9f972bc68195f8f0570ce5d49de9251d7060018d88d