diff --git a/pisa/requirements-dev.txt b/pisa/requirements-dev.txt
index b18071f..10481e4 100644
--- a/pisa/requirements-dev.txt
+++ b/pisa/requirements-dev.txt
@@ -1,3 +1,3 @@
 pytest
 black
-bitcoind_mock
\ No newline at end of file
+bitcoind_mock===0.0.4