diff --git a/setup.cfg b/setup.cfg
index 7ff4622..0e1586b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -63,6 +63,7 @@ deps =
     cocotb-test
     coverage
     pytest-cov
+    git+https://github.com/cocotb/cocotb.git@e892a3ea48#egg=cocotb
 
 commands =
     pytest --cov=cocotbext --cov=tests --cov-branch -n auto