1 files changed, 2 insertions, 2 deletions
diff --git a/tox.ini b/tox.ini
index 3cd2c5e633..2c0629d291 100644
--- a/tox.ini
+++ b/tox.ini
@@ -114,7 +114,7 @@ skip_install = True
 basepython = python3.6
 deps =
     flake8
-    black
+    black==19.3b0
 commands =
     python -m black --check --diff .
     /bin/sh -c "flake8 synapse tests scripts scripts-dev scripts/hash_password scripts/register_new_matrix_user scripts/synapse_port_db synctl {env:PEP8SUFFIX:}"
@@ -129,7 +129,7 @@ commands = /bin/sh -c "isort -c -df -sp setup.cfg -rc synapse tests"
 skip_install = True
 deps = towncrier>=18.6.0rc1
 commands =
-   python -m towncrier.check --compare-with=origin/develop
+   python -m towncrier.check --compare-with=origin/dinsic
 basepython = python3.6
 
 [testenv:check-sampleconfig]