diff --git a/package.json b/package.json
index b2baaca..a08ce91 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "lib/**/*.d.ts"
   ],
   "dependencies": {
-    "@salesforce/ts-types": "^2.0.8",
+    "@salesforce/ts-types": "^2.0.9",
     "sinon": "^5.1.1",
     "tslib": "^2.6.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 8f84ee6..b9f5fbd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -635,10 +635,10 @@
   resolved "https://registry.npmjs.org/@salesforce/prettier-config/-/prettier-config-0.0.3.tgz#ba648d4886bb38adabe073dbea0b3a91b3753bb0"
   integrity sha512-hYOhoPTCSYMDYn+U1rlEk16PoBeAJPkrdg4/UtAzupM1mRRJOwEPMG1d7U8DxJFKuXW3DMEYWr2MwAIBDaHmFg==
 
-"@salesforce/ts-types@^2.0.8":
-  version "2.0.8"
-  resolved "https://registry.npmjs.org/@salesforce/ts-types/-/ts-types-2.0.8.tgz#e732b5a42cbec6bda79c089a0633fc643daf8bca"
-  integrity sha512-vuzLcxtThBhpuhmnoh8GFrVU8XjdoNyQm9gPtmcjUyUD/9nQIBTAX8oGoUvCiiq93c4LFEmSua+xm3yu0bbNfg==
+"@salesforce/ts-types@^2.0.9":
+  version "2.0.9"
+  resolved "https://registry.npmjs.org/@salesforce/ts-types/-/ts-types-2.0.9.tgz#66bff7b41720065d6b01631b6f6a3ccca02857c5"
+  integrity sha512-boUD9jw5vQpTCPCCmK/NFTWjSuuW+lsaxOynkyNXLW+zxOc4GDjhtKc4j0vWZJQvolpafbyS8ZLFHZJvs12gYA==
   dependencies:
     tslib "^2.6.2"