diff --git a/requirements.txt b/requirements.txt
index 397da7e93..5cb3eba12 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Pygments
-curtsies >=0.3.0
+curtsies >=0.3.3
 greenlet
 requests
 setuptools