diff --git a/Containerfile b/Containerfile
index 3950ee44..c712b183 100644
--- a/Containerfile
+++ b/Containerfile
@@ -10,7 +10,7 @@ ARG HOST_SPAWN_VERSION=v1.6.2
 ARG MARCH=aarch64
 ADD https://github.com/1player/host-spawn/releases/download/${HOST_SPAWN_VERSION}/host-spawn-${MARCH} /host-spawn
 
-FROM quay.io/fedora/fedora:43
+FROM quay.io/fedora/fedora:43@sha256:30b0817ae5566389b8dc8a1a0614cf4e17201d0b1a6a4508facdb616b743f1d7
 ARG TARGETARCH
 
 WORKDIR /tmp