diff --git a/opensesame_extensions/osweb/__init__.py b/opensesame_extensions/osweb/__init__.py
index 17beb8d..a680558 100644
--- a/opensesame_extensions/osweb/__init__.py
+++ b/opensesame_extensions/osweb/__init__.py
@@ -1,5 +1,5 @@
 """Extension to integrate OSWeb into OpenSesame"""
 
-__version__ = '2.2.1.0'
+__version__ = '2.2.1.1'
 # The name of the package to check for updates on conda and pip
 packages = ['opensesame-extension-osweb']
diff --git a/pyproject.toml b/pyproject.toml
index 12b7d6b..943a17c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "opensesame-extension-osweb"
-version = "2.2.1.0"
+version = "2.2.1.1"
 description = "Extensions and plugins for OpenSesame to run experiments in a browser using OSWeb"
 authors = ["Sebastiaan Mathôt <s.mathot@cogsci.nl>"]
 readme = "readme.md"
@@ -18,6 +18,7 @@ beautifulsoup4 = "*"
 js2py = "*"
 javascripthon = "*"
 esprima = "*"
+requests-toolbelt = "*"
 
 [build-system]
 requires = ["poetry-core"]