diff --git a/Dockerfile b/Dockerfile
index f02f973..e4c2183 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,11 +2,11 @@
 FROM python:3.10
 
 # install the toolbox runner tools
-RUN pip install json2args==0.3.0
-
+RUN pip install json2args==0.4.0
 
 # install pandas and pandas-profiling
 RUN pip install pandas==1.5.1 pandas-profiling==3.4.0
+
 # create the tool input structure
 RUN mkdir /in
 COPY ./in /in