diff --git a/trillian/examples/deployment/docker/envsubst/Dockerfile b/trillian/examples/deployment/docker/envsubst/Dockerfile
index 77c974ab23..9ec5078a17 100644
--- a/trillian/examples/deployment/docker/envsubst/Dockerfile
+++ b/trillian/examples/deployment/docker/envsubst/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18@sha256:7144f7bab3d4c2648d7e59409f15ec52a18006a128c733fcff20d3a4a54ba44a
+FROM alpine:3.18@sha256:eece025e432126ce23f223450a0326fbebde39cdf496a85d8c016293fc851978
 
 RUN apk add --no-cache gettext