diff --git a/kxml.changes b/kxml.changes
index dbc4e6b..845dc0e 100644
--- a/kxml.changes
+++ b/kxml.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Sep 24 09:54:28 UTC 2024 - Fridrich Strba <fstrba@suse.com>
+
+- Use SOURCE_DATE_EPOCH for reproducible builds
+
 -------------------------------------------------------------------
 Wed Feb 21 14:28:34 UTC 2024 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/kxml.spec b/kxml.spec
index 97acdda..a9dadb5 100644
--- a/kxml.spec
+++ b/kxml.spec
@@ -63,7 +63,11 @@ mkdir -p lib
 build-jar-repository -s lib xpp3
 %{ant}
 
-jar ufm dist/%{name}2-%{version}.jar %{SOURCE3}
+jar  \
+%if %{?pkg_vcmp:%pkg_vcmp java-devel >= 17}%{!?pkg_vcmp:0}
+    --date="$(date -u -d @${SOURCE_DATE_EPOCH:-$(date +%%s)} +%%Y-%%m-%%dT%%H:%%M:%%SZ)" \
+%endif
+    --update --file=dist/%{name}2-%{version}.jar --manifest=%{SOURCE3}
 
 %{mvn_artifact} %{SOURCE1} dist/%{name}2-%{version}.jar
 %{mvn_artifact} %{SOURCE2} dist/%{name}2-min-%{version}.jar