diff --git a/.env b/.env
index 031075d..d5e9dde 100644
--- a/.env
+++ b/.env
@@ -30,7 +30,7 @@ CONSISTENCY=delegated
 ISLANDORA_REPOSITORY=islandora
 
 # The version of the isle-buildkit images to use.
-ISLANDORA_TAG=3.2.11
+ISLANDORA_TAG=3.4.2
 
 # The Docker image repository, to push/build for custom images from.
 REPOSITORY=islandora
diff --git a/drupal/Dockerfile b/drupal/Dockerfile
index f7ec448..082d9c7 100644
--- a/drupal/Dockerfile
+++ b/drupal/Dockerfile
@@ -4,10 +4,10 @@ ARG TAG
 FROM ${REPOSITORY}/drupal:${TAG} AS workbench
 
 ARG TARGETARCH
-ARG WORKBENCH_COMMIT=e268f97
+ARG WORKBENCH_COMMIT=9f1b4e0
 ARG WORKBENCH_FILE=${WORKBENCH_COMMIT}.tar.gz
 ARG WORKBENCH_URL=https://github.com/mjordan/islandora_workbench/archive/${WORKBENCH_FILE}
-ARG WORKBENCH_SHA256=be1f6992aca256b583d38496847fb1f81f6dcb5064e542301f9059c9f0389727
+ARG WORKBENCH_SHA256=52fdd5ecfa8f19e2f71d6a7277a2181c470960c07159489f44ea21bfbb7223a4
 
 RUN --mount=type=cache,id=sandbox-apk-${TARGETARCH},sharing=locked,target=/var/cache/apk \
     apk add \