diff --git a/axelrod/strategies/human.py b/axelrod/strategies/human.py
index 480daa5bb..0888c1930 100644
--- a/axelrod/strategies/human.py
+++ b/axelrod/strategies/human.py
@@ -3,13 +3,13 @@
 from axelrod.action import Action
 from axelrod.player import Player
 from prompt_toolkit import prompt
-from prompt_toolkit.styles import Style
+from prompt_toolkit.styles import style_from_dict
+from prompt_toolkit.token import Token
 from prompt_toolkit.validation import ValidationError, Validator
-from pygments.token import Token
 
 C, D = Action.C, Action.D
 
-toolbar_style = Style.from_dict({"pygments.toolbar": "#ffffff bg:#333333"})
+toolbar_style = style_from_dict({Token.Toolbar: "#ffffff bg:#333333"})
 
 
 class ActionValidator(Validator):
diff --git a/requirements.txt b/requirements.txt
index fdffc2118..abb6ba18a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,8 +4,7 @@ hypothesis==3.2
 matplotlib>=2.0.0,<3.0.0
 numpy>=1.9.2
 pandas>=0.18.1
-prompt-toolkit>=2.0.0
-pygments>=2.0.0
+prompt-toolkit>=1.0.7,<2.0.0
 scipy>=0.19.0
 toolz>=0.8.0
 tqdm>=3.4.0