diff --git a/build.sh b/build.sh
index f7704d6..8f77926 100755
--- a/build.sh
+++ b/build.sh
@@ -16,8 +16,7 @@ install_build_tests() {
         coverage \
         pytest \
         pytest-xprocess \
-        git+https://github.com/geier/leif \
-        git+https://github.com/sigmavirus24/requests-toolbelt
+        git+https://github.com/geier/leif
     _davserver $DAV_SERVER
     if [ "$TRAVIS" = "true" ]; then
         export CFLAGS=-O0  # speed up builds of packages which don't have wheels
diff --git a/setup.py b/setup.py
index 322e905..e806f8e 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,8 @@ setup(
         'argvard>=0.3.0',
         'requests',
         'lxml',
-        'icalendar>=3.6'
+        'icalendar>=3.6',
+        'requests_toolbelt>=0.3.0'
     ],
     extras_require={'keyring': ['keyring']}
 )