diff --git a/package.json b/package.json
index f6f369d9..a0374d42 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
     "babel-eslint": "^9.0.0-beta.3",
     "babel-jest": "^23.4.2",
     "babel-loader": "^8.0.4",
-    "butterchurn": "^2.6.1",
+    "butterchurn": "^2.6.6",
     "butterchurn-presets": "^2.4.7",
     "canvas-mock": "0.0.0",
     "classnames": "^2.2.5",
diff --git a/yarn.lock b/yarn.lock
index ea72183a..19ef0505 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1808,11 +1808,11 @@ butterchurn-presets@^2.4.7:
     ecma-proposal-math-extensions "0.0.2"
     lodash "^4.17.4"
 
-butterchurn@^2.6.1:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/butterchurn/-/butterchurn-2.6.1.tgz#4b790a9985f9467acddac76a592c237c549f5624"
+butterchurn@^2.6.6:
+  version "2.6.6"
+  resolved "https://registry.yarnpkg.com/butterchurn/-/butterchurn-2.6.6.tgz#dc17b1fd912020f3057d07ec61321ca764525b64"
   dependencies:
-    babel-runtime "^6.26.0"
+    "@babel/runtime" "^7.0.0"
     ecma-proposal-math-extensions "0.0.2"
 
 bytes@3.0.0: