diff --git a/tests/requirements.txt b/tests/requirements.txt
index 0fa34ef..da6c7fb 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -41,6 +41,6 @@ six==1.11.0
 toolz==0.9.0
 trie==1.3.8
 urllib3==1.24.1
-vyper==0.1.0b7
+vyper==0.2.12
 web3==4.8.1
 websockets==6.0