diff --git a/tycho-getTimestamp.patch b/tycho-getTimestamp.patch
new file mode 100644
index 0000000..42283dd
--- /dev/null
+++ b/tycho-getTimestamp.patch
@@ -0,0 +1,13 @@
+diff -urEbwB org.eclipse.tycho-tycho-1.6.0.orig/tycho-packaging-plugin/src/main/java/org/eclipse/tycho/buildversion/DefaultBuildTimestampProvider.java org.eclipse.tycho-tycho-1.6.0/tycho-packaging-plugin/src/main/java/org/eclipse/tycho/buildversion/DefaultBuildTimestampProvider.java
+--- org.eclipse.tycho-tycho-1.6.0.orig/tycho-packaging-plugin/src/main/java/org/eclipse/tycho/buildversion/DefaultBuildTimestampProvider.java	2023-09-05 17:53:07.666513409 +0200
++++ org.eclipse.tycho-tycho-1.6.0/tycho-packaging-plugin/src/main/java/org/eclipse/tycho/buildversion/DefaultBuildTimestampProvider.java	2023-09-14 06:14:27.034252611 +0200
+@@ -28,6 +28,9 @@
+ 
+     @Override
+     public Date getTimestamp(MavenSession session, MavenProject project, MojoExecution execution) {
++        if (System.getenv("SOURCE_DATE_EPOCH") != null) {
++            return new Date(1000 * Long.parseLong(System.getenv("SOURCE_DATE_EPOCH"))));
++        }
+         return session.getStartTime();
+     }
+ }
diff --git a/tycho.spec b/tycho.spec
index d8c8d12..b2f26cd 100644
--- a/tycho.spec
+++ b/tycho.spec
@@ -67,6 +67,7 @@ Patch7:         0008-Use-custom-resolver-for-tycho-eclipserun-plugin.patch
 Patch8:         plexus-lookup-fix.patch
 Patch9:         tycho-plexus-compiler-2.13.patch
 Patch10:        tycho-sourcetarget.patch
+Patch11:        tycho-getTimestamp.patch
 Patch100:       fedoraproject-p2-bootstrap-fix.patch
 BuildRequires:  bash
 BuildRequires:  fdupes
@@ -214,6 +215,7 @@ mv fedoraproject-p2-%{fp_p2_git_tag} fedoraproject-p2
 %patch8 -p1
 %patch9 -p1
 %patch10 -p1
+%patch11 -p1
 %patch100
 
 # Unneeded for RPM builds