diff --git a/jflex.spec b/jflex.spec
index be51d3d..5c20e22 100644
--- a/jflex.spec
+++ b/jflex.spec
@@ -5,7 +5,7 @@ Name:           jflex
 Version:        1.7.0
 Release:        18%{?dist}
 License:        BSD-3-Clause
-URL:            http://jflex.de/
+URL:            https://jflex.de/
 BuildArch:      noarch
 ExclusiveArch:  %{java_arches} noarch
 
@@ -78,7 +78,7 @@ sed -i /%%inputstreamctor/d src/main/jflex/LexScan.flex
 %{?jpb_env}
 cup -parser LexParse -interface -destdir src/main/java src/main/cup/LexParse.cup
 jflex -d src/main/java/jflex --skel src/main/jflex/skeleton.nested src/main/jflex/LexScan.flex
-%mvn_build
+%mvn_build -- -P\!error-prone -Djflex.jdk.version=1.8
 
 %install
 %mvn_install
@@ -102,6 +102,10 @@ install -p -m 644 %{SOURCE4} %{buildroot}%{_mandir}/man1
 
 
 %changelog
+* Mon Aug 05 2024 Mikolaj Izdebski <mizdebsk@redhat.com> - 1.7.0-18
+- Switch Java compiler source/target to 1.8
+- Resolves: RHEL-52693
+
 * Thu Aug 01 2024 Troy Dawson <tdawson@redhat.com> - 1.7.0-18
 - Bump release for Aug 2024 java mass rebuild