diff --git a/Dockerfile b/Dockerfile
index 900b6c2..0a9df4a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG CANTALOUPE_VERSION=5.0.5
 
 # Build
-FROM ubuntu:22.04@sha256:6042500cf4b44023ea1894effe7890666b0c5c7871ed83a97c36c76ae560bb9b as build
+FROM ubuntu:22.04@sha256:e6173d4dc55e76b87c4af8db8821b1feae4146dd47341e4d431118c7dd060a74 as build
 
 ARG DEBIAN_FRONTEND=noninteractive
 ARG CANTALOUPE_VERSION
@@ -64,7 +64,7 @@ RUN cd cantaloupe-src/ && mvn clean package -DskipTests
 
 
 # Package
-FROM ubuntu:22.04@sha256:6042500cf4b44023ea1894effe7890666b0c5c7871ed83a97c36c76ae560bb9b
+FROM ubuntu:22.04@sha256:e6173d4dc55e76b87c4af8db8821b1feae4146dd47341e4d431118c7dd060a74
 LABEL org.opencontainers.image.source="https://github.com/elifesciences/enhanced-preprints-image-server"
 
 ARG CANTALOUPE_VERSION