diff --git a/images/aws/bootc-base/Containerfile b/images/aws/bootc-base/Containerfile
index 792bac2..b7022a6 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:bd5936c4c6cbd000289a1a750170b8a27aea1af624841809b995be1fa6134642
 
 COPY files/ /
 COPY scripts/ /tmp/scripts/