diff --git a/Containerfile b/Containerfile
index 3950ee4..04b1dd8 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:d21393d83dfdb02cf09de9e252fa2d192b1621c477777598256fbd7eb4b4ee2c
 ARG TARGETARCH
 
 WORKDIR /tmp