diff --git a/requirements.txt b/requirements.txt
index 89af8797..50c11230 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ requests
 BTrees
 plyvel
 py-solc
-pytest
+pytest==3.0.7
 eth_abi>=1.0.0
 eth-utils>=1.0.1
 eth-account>=0.1.0a2
diff --git a/setup.py b/setup.py
index 976744d0..ea999efe 100755
--- a/setup.py
+++ b/setup.py
@@ -311,7 +311,7 @@ setup(
         'BTrees',
         'py-solc',
         'plyvel',
-        'pytest',
+        'pytest==3.0.7',
         'eth_abi>=1.0.0',
         'eth-utils>=1.0.1',
         'eth-account>=0.1.0a2',