Keep support for prompt_toolkit 2 (#1197)

* Keep support for prompt_toolkit 2

* include prompt toolkit 3

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index d21a5be7..711253e7 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ install_requirements = [
     "pgspecial>=1.11.8",
     "click >= 4.1",
     "Pygments >= 2.0",  # Pygments has to be Capitalcased. WTF?
-    "prompt_toolkit>=3.0.0,<4.0.0",
+    "prompt_toolkit>=2.0.6,<4.0.0",
     "psycopg2 >= 2.8",
     "sqlparse >=0.3.0,<0.4",
     "configobj >= 5.0.6",