diff --git a/package.json b/package.json
index c248d5e..c097d6f 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "lib/**/*.d.ts"
   ],
   "dependencies": {
-    "@salesforce/ts-types": "^1.5.21",
+    "@salesforce/ts-types": "^1.7.0",
     "sinon": "^5.1.1",
     "tslib": "^2.2.0"
   },
diff --git a/yarn.lock b/yarn.lock
index da9dd06..3a9db8e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -640,10 +640,10 @@
   resolved "https://registry.npmjs.org/@salesforce/prettier-config/-/prettier-config-0.0.2.tgz#ded39bf7cb75238edc9db6dd093649111350f8bc"
   integrity sha512-KExM355BLbxCW6siGBV7oUOotXvvVp0tAWERgzUkM2FcMb9fWrjwXDrIHc8V0UdDlA3UXtFltDWgN+Yqi+BA/g==
 
-"@salesforce/ts-types@^1.5.21":
-  version "1.5.21"
-  resolved "https://registry.npmjs.org/@salesforce/ts-types/-/ts-types-1.5.21.tgz#e62784872f0e74bf4ae13381dc58aa4644ee2df3"
-  integrity sha512-qG8r8WOzqpFOHaH3EGU3IwGrY/pSv9NQp4B0wGxOuPDBbraXVvd3KhWVStxaLGKBkJClJ7/+t+iCSP82sEiGcg==
+"@salesforce/ts-types@^1.7.0":
+  version "1.7.0"
+  resolved "https://registry.npmjs.org/@salesforce/ts-types/-/ts-types-1.7.0.tgz#0ec743b324a0d39b13ac681132042742e9a43d0f"
+  integrity sha512-8bLGBZCk7T/tkfXP66r5Pkhn3CjfNQIOy6B0Z1rvam5RgqWtYYcubF7eSLSj7bop/q7tA8+R6bNJmjATX6hTqA==
   dependencies:
     tslib "^2.2.0"