diff --git a/setup.cfg b/setup.cfg
index 795c4ac..bd88e51 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -38,7 +38,7 @@ package_dir =
 # install_requires = numpy; scipy
 install_requires =
     importlib-metadata; python_version<"3.8"
-    beancount
+    beancount>=2,<3
     bitstampclient
     mt-940
     pyyaml