diff --git a/aws-sdk-java.changes b/aws-sdk-java.changes
index 9c6757f..9ff3bef 100644
--- a/aws-sdk-java.changes
+++ b/aws-sdk-java.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Sep 12 12:27:52 UTC 2023 - Fridrich Strba <fstrba@suse.com>
+
+- Reproducible builds: use SOURCE_DATE_EPOCH for timestamp
+
 -------------------------------------------------------------------
 Thu May  5 10:23:20 UTC 2022 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/aws-sdk-java.spec b/aws-sdk-java.spec
index 7c3e698..526aaba 100644
--- a/aws-sdk-java.spec
+++ b/aws-sdk-java.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package aws-sdk-java
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -816,7 +816,9 @@ dos2unix src/samples/AmazonEC2SpotInstances-Advanced/CreateSecurityGroupApp.java
 # Tests require networking and unavailable test deps:
 # com.github.tomakehurst:wiremock:1.55
 # nl.jqno.equalsverifier:equalsverifier:1.7.5
-%{mvn_build} -sfj -- -Dsource=8 org.apache.maven.plugins:maven-javadoc-plugin:aggregate
+%{mvn_build} -sfj -- \
+    -Dproject.build.outputTimestamp=$(date -u -d @${SOURCE_DATE_EPOCH:-$(date +%%s)} +%%Y-%%m-%%dT%%H:%%M:%%SZ) \
+    -Dsource=8 org.apache.maven.plugins:maven-javadoc-plugin:aggregate
 
 %install
 %mvn_install