diff --git a/package.json b/package.json
index ccb0e2e..9ed4559 100644
--- a/package.json
+++ b/package.json
@@ -23,13 +23,13 @@
   "devDependencies": {
     "@commitlint/cli": "7.5.2",
     "@commitlint/config-conventional": "7.5.0",
-    "@types/chance": "1.0.1",
+    "@types/chance": "1.1.0",
     "@types/jest": "23.3.9",
     "@types/lodash.get": "4.4.6",
     "@types/lodash.merge": "4.6.4",
     "@types/loglevel": "1.5.3",
     "@types/node": "10.12.7",
-    "chance": "1.0.16",
+    "chance": "1.1.5",
     "coveralls": "3.0.2",
     "husky": "1.1.4",
     "jest": "23.6.0",
diff --git a/yarn.lock b/yarn.lock
index 6bd421c..c92e5f8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -165,10 +165,10 @@
   dependencies:
     any-observable "^0.3.0"
 
-"@types/chance@1.0.1":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/@types/chance/-/chance-1.0.1.tgz#c10703020369602c40dd9428cc6e1437027116df"
-  integrity sha512-jtV6Bv/j+xk4gcXeLlESwNc/m/I/dIZA0xrt29g0uKcjyPob8iisj/5z0ARE+Ldfx4MxjNFNECG0z++J7zJgqg==
+"@types/chance@1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@types/chance/-/chance-1.1.0.tgz#7d8e6bd0506344d94c042f692d59d20f8eb7d66d"
+  integrity sha512-j/9aaLU6JaaN2iFiSZgvD+G0nju1Fi2/f2WM+WwS+8+cpTdzFhXFH3+SHZgfjgum6wNW80sfcawUx+Rx7tH26w==
 
 "@types/jest@23.3.9":
   version "23.3.9"
@@ -805,10 +805,10 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.3.0, chalk@^2.3.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chance@1.0.16:
-  version "1.0.16"
-  resolved "https://registry.yarnpkg.com/chance/-/chance-1.0.16.tgz#bd61912716b0010c3dca8e3948a960efcaa7bb1b"
-  integrity sha512-2bgDHH5bVfAXH05SPtjqrsASzZ7h90yCuYT2z4mkYpxxYvJXiIydBFzVieVHZx7wLH1Ag2Azaaej2/zA1XUrNQ==
+chance@1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/chance/-/chance-1.1.5.tgz#94d9415b40e8d31a13144b998e76519193456dce"
+  integrity sha512-uBVETzUktMGLALWQ8fCJCOjNF4Gm1lRjjjuC2+z7rCjx78ioONIK7bYhGzBovhQyqOegJEl3nAJxjE7mvY6aIw==
 
 chownr@^1.1.1:
   version "1.1.1"