diff --git a/requirements.txt b/requirements.txt
index f6bd8c8..b079a03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 
 # For pretty formatting machines/state tables...
-PrettyTable<0.8,>=0.7.2 # BSD
+PrettyTable>=0.7.2 # BSD