diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2ca1c53..dc7d58a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 pytest>=2.8.2
 pytest-pythonpath>=0.3
 tox>=1.8.0
-eth-testrpc>=0.8.3
+eth-testrpc>=0.8.4
 ethereum-tester-client>=1.2.1
 py-geth>=1.2.0
 ethereum>=1.5.2