diff --git a/package.json b/package.json
index fbe36d28..ab751fab 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@salesforce/plugin-command-reference": "^2.2.8",
     "@salesforce/plugin-trust": "^2.2.3",
     "@salesforce/sf-plugins-core": "^2.0.1",
-    "@salesforce/ts-types": "^1.5.21",
+    "@salesforce/ts-types": "^1.7.3",
     "agent-base": "^6.0.2",
     "aws-sdk": "^2.1299.0",
     "chalk": "^4.1.0",
diff --git a/yarn.lock b/yarn.lock
index 2039cf1e..2bf68bb5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1401,12 +1401,12 @@
     sinon "^5.1.1"
     tslib "^2.5.0"
 
-"@salesforce/ts-types@^1.5.20", "@salesforce/ts-types@^1.5.21", "@salesforce/ts-types@^1.7.1", "@salesforce/ts-types@^1.7.2":
-  version "1.7.2"
-  resolved "https://registry.yarnpkg.com/@salesforce/ts-types/-/ts-types-1.7.2.tgz#ab40399d291c7eca57efc9890daf2fa2632197ec"
-  integrity sha512-eCpWKEb03UCKBJ6Svp0Vwcwt+fG6BQbopO4x5wt6CYeT8Rjt0dbDQicZPmVL59j2qyt3Q4Y4EYsxXUGZmdfvDw==
+"@salesforce/ts-types@^1.5.20", "@salesforce/ts-types@^1.7.1", "@salesforce/ts-types@^1.7.2", "@salesforce/ts-types@^1.7.3":
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/@salesforce/ts-types/-/ts-types-1.7.3.tgz#89b79ff0aaa55fea9f2de0afa8e515be3e17d0d8"
+  integrity sha512-jpmekGqZ7tpHRJwf1rF0yBJ/IMC5mOrryNi4HZkKuNQn8RF97WpynmL8Om04mLTCESvCiif3y7NWfIcxtID2Gw==
   dependencies:
-    tslib "^2.4.1"
+    tslib "^2.5.0"
 
 "@sindresorhus/is@^4.0.0":
   version "4.2.0"