diff --git a/images/aws/bootc-base/Containerfile b/images/aws/bootc-base/Containerfile
index 792bac2..99096cd 100644
--- a/images/aws/bootc-base/Containerfile
+++ b/images/aws/bootc-base/Containerfile
@@ -1,4 +1,4 @@
-FROM quay.io/centos-bootc/centos-bootc:stream9
+FROM quay.io/centos-bootc/centos-bootc:stream9@sha256:0969a2378b9604c8e7e059135198d53d1784a2c5959783de3971154c151e6a85
 
 COPY files/ /
 COPY scripts/ /tmp/scripts/