diff --git a/package-lock.json b/package-lock.json
index 1f70646..104d17d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1480,9 +1480,9 @@
       }
     },
     "@types/chai": {
-      "version": "4.2.15",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.15.tgz",
-      "integrity": "sha512-rYff6FI+ZTKAPkJUoyz7Udq3GaoDZnxYDEvdEdFZASiA7PoErltHezDishqQiSDWrGxvxmplH304jyzQmjp0AQ==",
+      "version": "4.3.12",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.12.tgz",
+      "integrity": "sha512-zNKDHG/1yxm8Il6uCCVsm+dRdEsJlFoDu73X17y09bId6UwoYww+vFBsAcRzl8knM1sab3Dp1VRikFQwDOtDDw==",
       "dev": true
     },
     "@types/color-name": {
diff --git a/package.json b/package.json
index b050079..939d809 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "ansi-styles": "^3.2.0"
   },
   "devDependencies": {
-    "@types/chai": "4.2.15",
+    "@types/chai": "4.3.12",
     "@types/jest": "26.0.20",
     "@types/lodash": "4.14.168",
     "@types/node": "8.10.53",