diff --git a/Dockerfile b/Dockerfile
index 5a10fbf..3f72f1f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,6 @@
-FROM python:3
+FROM python:3.8
 
 RUN mkdir /srv/backtab/
-#RUN apt-get -y update && apt-get install git mercurial
 WORKDIR /usr/src/app
 
 COPY requirements.txt  ./
@@ -22,4 +21,4 @@ RUN echo github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK
 RUN git config --global user.name "Backtab server" && git config --global user.email "backtab@example.com"
 
 CMD ["/bin/bash", "/docker-startup.sh"]
-EXPOSE 4903
\ No newline at end of file
+EXPOSE 4903
diff --git a/README.md b/README.md
index 5c2415d..9494f37 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,8 @@ backtab to use a ssh:// url; if so, add your SSH private key to
 
 Running natively
 ----------------
+**NOTE:**
+Backtab is currently not compatible with Python 3.9 or later. Please use Python 3.8.
 
 Check out a copy of your data repository wherever you find convenient.
 We'll call that location `/srv/backtab/tab-data`.
diff --git a/requirements.txt b/requirements.txt
index 4197a4c..5b33a58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
--e hg+https://bitbucket.org/blais/beancount#egg=beancount
+beancount >= 2, < 3
 bottle >= 0.12, < 0.13
 PyYAML >= 3.13, <4
 click >= 7.0, <8
diff --git a/setup.py b/setup.py
index 7a4ac05..c0d72a1 100755
--- a/setup.py
+++ b/setup.py
@@ -19,9 +19,6 @@
         "bottle >= 0.12, <0.13",
         "PyYAML >= 3.13, <4",
         "sdnotify >= 0.3.1, <0.4",
-        "beancount",
-    ],
-    dependency_links=[
-        "hg+https://bitbucket.org/blais/beancount#egg=beancount",
+        "beancount >= 2, < 3",
     ],
 )