diff --git a/images/base/extra-packages b/images/base/extra-packages
index d38f276..f0e7771 100644
--- a/images/base/extra-packages
+++ b/images/base/extra-packages
@@ -5,3 +5,4 @@ vim
 glibc-langpack-en
 gh
 nmap
+https://github.com/sigstore/cosign/releases/download/v2.2.3/cosign-2.2.3-1.x86_64.rpm