diff --git a/requirements.txt b/requirements.txt
index bb6ec2b..da34f73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 python-bitcoinlib==0.11.0
-plyvel==1.2.0
+plyvel==1.5.1
 coverage==4.0.2
diff --git a/setup.py b/setup.py
index 06cb1ee..4f9bd63 100644
--- a/setup.py
+++ b/setup.py
@@ -20,6 +20,6 @@
     ],
     install_requires=[
         'python-bitcoinlib==0.11.0',
-        'plyvel==1.2.0'
+        'plyvel==1.5.1'
     ]
 )