diff --git a/Dockerfile b/Dockerfile
index 7f87558..4c16028 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,5 +8,6 @@ RUN pip3 install pandas
 RUN pip3 install numpy
 RUN pip3 install sklearn
 RUN pip3 install tensorflow
+RUN pip3 install matplotlib
 COPY ./steam-200k.csv ./
 COPY ./biblioteki_dl.py ./
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