diff --git a/Dockerfile b/Dockerfile
index 1335771..967ec04 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -127,11 +127,11 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 USER root
 
-RUN apt update \
- && apt install --yes --quiet --no-install-recommends \
-        libmagic-dev \
- && rm -rf /var/lib/apt/lists/*
-
+RUN apt-get update \
+ && apt-get install --yes --quiet --no-install-recommends \
+       libmagic1 \
+       # clean cache and logs
+       && rm -rf /var/lib/apt/lists/* /var/log/* /var/tmp/* ~/.npm
 
 # Switch back to jovyan to avoid accidental container runs as root
 USER ${NB_UID}
diff --git a/uv.lock b/uv.lock
index 583c5d9..7a31051 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3803,7 +3803,7 @@ wheels = [
 
 [[package]]
 name = "nomad-lab"
-version = "1.3.7"
+version = "1.3.8.dev8+g49e9135bd"
 source = { registry = "https://gitlab.mpcdf.mpg.de/api/v4/projects/2187/packages/pypi/simple" }
 dependencies = [
     { name = "aniso8601" },
@@ -3845,7 +3845,7 @@ dependencies = [
     { name = "wrapt" },
     { name = "xarray" },
 ]
-sdist = { url = "https://gitlab.mpcdf.mpg.de/api/v4/projects/2187/packages/pypi/files/d091db52510e18f3a71f266031414c9eceb1f981a27a80e219d896767de72566/nomad-lab-1.3.7.tar.gz", hash = "sha256:d091db52510e18f3a71f266031414c9eceb1f981a27a80e219d896767de72566" }
+sdist = { url = "https://gitlab.mpcdf.mpg.de/api/v4/projects/2187/packages/pypi/files/454b8f87d019979c80ed155df134a70543bd06de1185ee953dbb96e78008b1ca/nomad-lab-1.3.8.dev8+g49e9135bd.tar.gz", hash = "sha256:454b8f87d019979c80ed155df134a70543bd06de1185ee953dbb96e78008b1ca" }
 
 [package.optional-dependencies]
 dev = [
@@ -3904,7 +3904,6 @@ infrastructure = [
     { name = "oauthenticator" },
     { name = "optimade", extra = ["mongo"] },
     { name = "pyjwt", extra = ["crypto"] },
-    { name = "pymongo" },
     { name = "python-json-logger" },
     { name = "python-logstash" },
     { name = "python-multipart" },