diff --git a/src/blenderbim/Makefile b/src/blenderbim/Makefile
index 0d4fd0f67c..a870eac702 100644
--- a/src/blenderbim/Makefile
+++ b/src/blenderbim/Makefile
@@ -212,6 +212,9 @@ endif
 	cd dist/working && . env/bin/activate && $(PIP) install lark --target=./site-packages
 	# Required by IFC4D
 	cd dist/working && . env/bin/activate && $(PIP) install PyP6Xer --target=./site-packages
+	# Required by Web module
+	cd dist/working && . env/bin/activate && $(PIP) install socketio --target=./site-packages
+
 	cp -r dist/working/site-packages/* dist/blenderbim/libs/site/packages/
 	rm -rf dist/working