diff --git a/server/ops/docker/jdk17-jammy/Dockerfile b/server/ops/docker/jdk17-jammy/Dockerfile
index bf81730f2..227847f9b 100644
--- a/server/ops/docker/jdk17-jammy/Dockerfile
+++ b/server/ops/docker/jdk17-jammy/Dockerfile
@@ -208,7 +208,9 @@ ARG UMLET_VERSION="2023-03-20_UMLet_v15.1"
 ARG WIREVIZ_VERSION="0.3.3"
 ARG TARGETARCH
 
-RUN groupadd --gecos 1000 kroki && useradd --disabled-password --ingroup kroki -u 1000 kroki
+RUN apt-get update && apt-get install --no-install-recommends --yes \
+    adduser && \
+    addgroup --gecos 1000 kroki && adduser --disabled-password --ingroup kroki -u 1000 kroki
 
 # For TikZ
 #