diff --git a/package-lock.json b/package-lock.json
index f7a7e17..6d1c76e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,9 +33,9 @@
       }
     },
     "@types/jest": {
-      "version": "23.3.2",
-      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-23.3.2.tgz",
-      "integrity": "sha512-D1xlXHZpDonVX+VJ28XtcD5xlu8ex6Fc4cQNnrm2wJvlQnbec9RedhCrhQr6kRAE9XWHSec+JPuTmqJ9jC0qsA==",
+      "version": "24.0.0",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-24.0.0.tgz",
+      "integrity": "sha512-kOafJnUTnMd7/OfEO/x3I47EHswNjn+dbz9qk3mtonr1RvKT+1FGVxnxAx08I9K8Tl7j9hpoJRE7OCf+t10fng==",
       "dev": true
     },
     "abab": {
@@ -1646,12 +1646,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -1666,17 +1668,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -1793,7 +1798,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1805,6 +1811,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -1819,6 +1826,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -1826,12 +1834,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -1850,6 +1860,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1930,7 +1941,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1942,6 +1954,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2063,6 +2076,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
diff --git a/package.json b/package.json
index 2c0c8e4..e28542b 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   },
   "homepage": "https://github.com/yayoc/optional-chain#readme",
   "devDependencies": {
-    "@types/jest": "^23.3.2",
+    "@types/jest": "^24.0.0",
     "jest": "^23.6.0",
     "ts-jest": "^23.1.4",
     "typescript": "^3.0.3"