diff --git a/spark-qfs-swarm/jupyter-server/start-jupyter.sh b/spark-qfs-swarm/jupyter-server/start-jupyter.sh
index ffc9ea1..a5c6a90 100644
--- a/spark-qfs-swarm/jupyter-server/start-jupyter.sh
+++ b/spark-qfs-swarm/jupyter-server/start-jupyter.sh
@@ -4,4 +4,4 @@ SHELL=/bin/bash \
     XDG_RUNTIME_DIR=/home/spark/jupyter/runtime \
     PYSPARK_DRIVER_PYTHON=jupyter \
     PYSPARK_DRIVER_PYTHON_OPTS="notebook --no-browser --port=7777 --notebook-dir=/home/spark/jupyter/notebooks --ip=0.0.0.0 --NotebookApp.password='' --NotebookApp.token=''" \
-    $SPARK_HOME/bin/pyspark --packages graphframes:graphframes:0.8.0-spark3.0-s_2.12 --master spark://spark-master:7077
+    $SPARK_HOME/bin/pyspark --packages graphframes:graphframes:0.8.1-spark3.0-s_2.12 --master spark://spark-master:7077
diff --git a/spark-qfs-swarm/worker-node/Dockerfile b/spark-qfs-swarm/worker-node/Dockerfile
index 4ad6bed..fca6197 100644
--- a/spark-qfs-swarm/worker-node/Dockerfile
+++ b/spark-qfs-swarm/worker-node/Dockerfile
@@ -16,10 +16,10 @@ MAINTAINER Michael Kamprath "https://github.com/michaelkamprath"
 #
 
 ARG QFS_VERSION=2.2.2
-ARG SPARK_VERSION=3.0.1
+ARG SPARK_VERSION=3.1.1
 ARG HADOOP_MINOR_VERSION=2.7
 ARG HADOOP_VERSION=2.7.2
-ARG SCALA_VERSION=2.12.12
+ARG SCALA_VERSION=2.12.13
 
 RUN apt-get update \
  && apt-get install -y locales \