diff --git a/Containerfile b/Containerfile
index b902555..b99476a 100644
--- a/Containerfile
+++ b/Containerfile
@@ -4,6 +4,7 @@ ARG FEDORA_BASE=42
 FROM scratch AS ctx
 COPY build_files /
 COPY /sys_files /sys_files
+COPY cosign.pub /cosign.pub
 
 # Base Image
 FROM quay.io/fedora-ostree-desktops/silverblue:$FEDORA_BASE