diff --git a/Dockerfile b/Dockerfile
index 35fc72f3..e29316aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -46,7 +46,7 @@ RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --var version=0.1.1 --var app=maven-metadata-release --file {{.app}} \
   --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
-ARG MC_HELPER_VERSION=1.26.2
+ARG MC_HELPER_VERSION=1.27.3
 ARG MC_HELPER_BASE_URL=https://github.com/itzg/mc-image-helper/releases/download/${MC_HELPER_VERSION}
 RUN curl -fsSL ${MC_HELPER_BASE_URL}/mc-image-helper-${MC_HELPER_VERSION}.tgz \
   | tar -C /usr/share -zxf - \
diff --git a/scripts/start-deployAutoCF b/scripts/start-deployAutoCF
index 639668a4..e2939218 100644
--- a/scripts/start-deployAutoCF
+++ b/scripts/start-deployAutoCF
@@ -65,5 +65,8 @@ set -a
 # shellcheck disable=SC1090
 source "${resultsFile}"
 set +a
+# grab the version resolved from modpack
+VANILLA_VERSION="$VERSION"
+export VANILLA_VERSION
 
 exec "${SCRIPTS:-/}start-setupWorld" "$@"