diff --git a/collectd.changes b/collectd.changes
index 067ace2..f5574e5 100644
--- a/collectd.changes
+++ b/collectd.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Dec 18 10:28:48 UTC 2024 - Bernhard Wiedemann <bwiedemann@suse.com>
+
+- Normalize jar mtimes for reproducible builds (boo#1134568)
+
 -------------------------------------------------------------------
 Sat Mar 11 15:43:03 UTC 2023 - suse+build@de-korte.org
 
diff --git a/collectd.spec b/collectd.spec
index ee8885d..ec902a7 100644
--- a/collectd.spec
+++ b/collectd.spec
@@ -156,6 +156,7 @@ BuildRequires:  pkgconfig(libsigrok)
 %endif
 %if 0%{?suse_version} > 1500 || 0%{?sle_version} >= 150400
 BuildRequires:  pkgconfig(libmodbus)
+BuildRequires:  strip-nondeterminism
 %endif
 %if 0%{?is_opensuse}
 BuildRequires:  pkgconfig(libmosquitto)
@@ -749,6 +750,10 @@ install -d -m 0755 "%{buildroot}%{_sbindir}"
 install -D -m0644 contrib/systemd.collectd.service %{buildroot}%{_unitdir}/collectd.service
 ln -s %{_sbindir}/service %{buildroot}%{_sbindir}/rc%{name}
 
+%if 0%?have_strip_nondeterminism > 0
+    strip-all-nondeterminism %{buildroot}%{_datadir}/collectd/java/
+%endif
+
 %preun
 %service_del_preun %{name}.service