diff --git a/Dockerfile b/Dockerfile
index e0a1dca..7d8f85d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG CANTALOUPE_VERSION=5.0.5
 
 # Build
-FROM ubuntu:mantic-20240216@sha256:5cd569b792a8b7b483d90942381cd7e0b03f0a15520d6e23fb7a1464a25a71b1 as build
+FROM ubuntu:mantic-20240405@sha256:008c4aa50da87ad7bc586a47787491f76c79c62cc5bdbee29121ee9e02c03f3e as build
 
 ARG DEBIAN_FRONTEND=noninteractive
 ARG CANTALOUPE_VERSION
@@ -61,7 +61,7 @@ RUN cd cantaloupe-src/ && mvn clean package -DskipTests
 
 
 # Package
-FROM ubuntu:mantic-20240216@sha256:5cd569b792a8b7b483d90942381cd7e0b03f0a15520d6e23fb7a1464a25a71b1 as image
+FROM ubuntu:mantic-20240405@sha256:008c4aa50da87ad7bc586a47787491f76c79c62cc5bdbee29121ee9e02c03f3e as image
 LABEL org.opencontainers.image.source="https://github.com/elifesciences/enhanced-preprints-image-server"
 
 ARG CANTALOUPE_VERSION