diff --git a/fernflower.spec b/fernflower.spec
index a9d18c8..3dfb0fc 100644
--- a/fernflower.spec
+++ b/fernflower.spec
@@ -25,11 +25,11 @@ BuildArch:  noarch
 ExclusiveArch:  %{java_arches} noarch
 
 BuildRequires:  javapackages-tools
-BuildRequires:  java-devel
+BuildRequires:  java-11-devel
 %if %{with_javadoc}
 BuildRequires:  zip
 %endif
-Requires:      java-headless
+Requires:      java-11-headless
 Requires:      javapackages-tools
 Provides:      %{name}-decompiler
 
@@ -66,7 +66,7 @@ find | grep "\\.jar$"   && exit 1
 
 %build
 mkdir build
-javac -source 8 -target 8 -d build `find src -type f`
+/usr/lib/jvm/java-11-openjdk/bin/javac -source 11 -target 11 -d build `find src -type f`
 cd build
 jar -cf ../%{name}.jar  org
 cd ..
@@ -107,6 +107,7 @@ cp %{name}.zip $RPM_BUILD_ROOT/%{_javadocdir}/
 %changelog
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 211.7442.40-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
+- moved to jdk11
 
 * Thu Jul 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 211.7442.40-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild