diff --git a/Dockerfile b/Dockerfile
index 5aa7716..587d0bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -54,7 +54,11 @@ RUN mkdir blawx/blawx/static/blawx/fonts
 
 # RUN git clone https://github.com/google/blockly --branch develop blawx/blawx/static/blawx/blockly 
 
-RUN npm install blockly
+# NOTE: currently Blawx blocks works only blockly < 11.0
+# update to the latest version after the deprecation warning below is resolved
+#
+# block generator functions on CodeGenerator objects was deprecated in 10.0 and will be deleted in 11.0. Use the .forBlock[blockType] dictionary instead.
+RUN npm install blockly@10.1.3
 
 RUN mv ./node_modules/blockly /app/blawx/blawx/static/blawx
 
@@ -105,4 +109,4 @@ RUN python load_data.py
 
 CMD ["python", "manage.py", "runserver", "0.0.0.0:8000"]
 
-EXPOSE 8000
\ No newline at end of file
+EXPOSE 8000