diff --git a/images/aws/bootc-base/Containerfile b/images/aws/bootc-base/Containerfile
index 792bac2..4961400 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@sha256:0373e524739ee9f117ac48da49e2ea1e852ba97b10378a7097e1945ea1719e62
 
 COPY files/ /
 COPY scripts/ /tmp/scripts/