diff --git a/setup.cfg b/setup.cfg
index d96de606f107bf6ec3c8f73609e95db40e2ed73c..af601f1bc447d2eabe2c9997fcaa877aec3e2b53 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -32,7 +32,7 @@ warn_unused_configs = True
 include_package_data = True
 install_requires =
   babel>=2.6
-  beancount>=2.2
+  beancount>=2.2,<3.0.0
   colorama
   GitPython>=2.0
   odfpy>=1.4.0,!=1.4.1
@@ -106,4 +106,4 @@ filterwarnings =
   ignore::DeprecationWarning:^socks$
 
 [tox:tox]
-envlist = py36,py37
+envlist = py310