diff --git a/files/etc/cron.d/koji-prune-signed-copies b/files/etc/cron.d/koji-prune-signed-copies
new file mode 100644
index 0000000..f57df3c
--- /dev/null
+++ b/files/etc/cron.d/koji-prune-signed-copies
@@ -0,0 +1,3 @@
+# Run prune-signed-copies nightly
+MAILTO=infrastructure@rockylinux.org
+0 8 * * * apache /usr/local/bin/lock-wrapper koji-prune-signed "/usr/bin/koji --noauth prune-signed-copies --verbose --protect-tag-file=/etc/prune-signed-copies-protected-tags"