diff --git a/icetray_base/Dockerfile_base-devel-22.04 b/icetray_base/Dockerfile_base-devel-22.04
index 0430741..4ae30e5 100644
--- a/icetray_base/Dockerfile_base-devel-22.04
+++ b/icetray_base/Dockerfile_base-devel-22.04
@@ -23,7 +23,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
   python3-numexpr cython3 python3-cffi python3-requests \
   python3-healpy python3-urllib3 python3-jsonschema \
   python3-zmq python3-pymysql python3-yaml python3-pandas python3-seaborn \
-  python3-dev python3-pip python-is-python3 python3-mysqldb \
+  python3-dev python3-pip python-is-python3 python3-mysqldb python3-h5py \
   zlib1g-dev liberfa-dev libstarlink-pal-dev \
   libopenblas-dev libsprng2-dev python3-mysqldb \
   libsuitesparse-dev libfftw3-dev \