diff --git a/Dockerfile b/Dockerfile
index fe8a85f..2ca5c24 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,4 +12,4 @@ COPY ./script2.py ./
 RUN pip3 install -r ./requirements.txt
 CMD python3 script2.py
 CMD python3 lab05.py
-RUN pip3 install gast
\ No newline at end of file
+RUN pip3 install gast==0.2.2
\ No newline at end of file