diff --git a/package.json b/package.json
index 490bfc1..cf53001 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "dependencies": {
     "@nomiclabs/buidler": "^1.1.2",
     "@nomiclabs/buidler-ethers": "^1.1.2",
-    "@nomiclabs/buidler-waffle": "^1.1.2",
+    "@nomiclabs/buidler-waffle": "^2.0.0",
     "@openzeppelin/cli": "^2.6.0",
     "@quasar/extras": "^1.0.0",
     "@resolver-engine/core": "^0.3.3",
diff --git a/yarn.lock b/yarn.lock
index edc037c..62c00df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1108,11 +1108,12 @@
   resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-ethers/-/buidler-ethers-1.1.2.tgz#f04ed66dec71c2f70b4925b6ba46ab5d07948974"
   integrity sha512-kLa4v3aYx4rB8kydHnCZM61WiedYC+AM6sMjpGxRdwbXjHutdman3BHnm3d+TsO/kFL3F5rBGcB1zLCo+R1enQ==
 
-"@nomiclabs/buidler-waffle@^1.1.2":
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-waffle/-/buidler-waffle-1.1.2.tgz#385503e3c542f900473f056d4be9170015cfd9b3"
-  integrity sha512-IIlH8+gmK1aezQj5U6+sqO+I/vilStkWvTl1Ki/x5DK7ONPLnGCN2jljjtDvCuqjRumV16FtlfK782Po9tdCQA==
+"@nomiclabs/buidler-waffle@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-waffle/-/buidler-waffle-2.0.0.tgz#425dd952898e63494b696f9556896975603684ff"
+  integrity sha512-slGUjMmooIFehk1EMz+gSD07x6RVhp9aEHCmjk5MDm9FuV0+1IhPrk0DDl9ZKYlb5dgTRSWOqzIOXLXhnjmt0A==
   dependencies:
+    "@types/sinon-chai" "^3.2.3"
     "@types/web3" "1.0.19"
 
 "@nomiclabs/buidler@^1.1.2":