diff --git a/images/aws/bootc-base/Containerfile b/images/aws/bootc-base/Containerfile
index 792bac2..ad7cb8f 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:db458c46d6ddd5315102ddffd1b6f04ac1973b5dbdacc9673f225b9a7c6672d4
 
 COPY files/ /
 COPY scripts/ /tmp/scripts/