diff --git a/package.json b/package.json
index 8e6040c0..9075545e 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "@oclif/plugin-command-snapshot": "^5.2.3",
     "@oclif/test": "^3.2.15",
-    "@salesforce/cli-plugins-testkit": "^5.3.17",
+    "@salesforce/cli-plugins-testkit": "^5.3.18",
     "@salesforce/dev-scripts": "^8.5.0",
     "@salesforce/plugin-command-reference": "^3.1.6",
     "eslint-plugin-sf-plugin": "^1.18.11",
diff --git a/yarn.lock b/yarn.lock
index b41abce8..03eea449 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1782,12 +1782,12 @@
   resolved "https://registry.yarnpkg.com/@pkgjs/parseargs/-/parseargs-0.11.0.tgz#a77ea742fab25775145434eb1d2328cf5013ac33"
   integrity sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==
 
-"@salesforce/cli-plugins-testkit@^5.3.17":
-  version "5.3.17"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.17.tgz#b1a66508cf7a5d235d4fe30cf6b0045776ef7a2f"
-  integrity sha512-+cPyjXfuVD3pYjm+EGYC4JowoYq8QXRyTTDlZTVPD8VBe/byyXzxdphjK5gIuKhBYvKwWN1kT3zbno25U49ljQ==
+"@salesforce/cli-plugins-testkit@^5.3.18":
+  version "5.3.18"
+  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.18.tgz#f36ae6ed8573b18396668a4d38b4effe0bd1a2bf"
+  integrity sha512-9+Yvmw5idIQryJcXVKZ2HASLKj2RUJizDuDFPq5ut9X+8y8MTWAkO0hO6OSj3IPkV+LTo8QF7QOCl16R2PWpMw==
   dependencies:
-    "@salesforce/core" "^8.1.0"
+    "@salesforce/core" "^8.1.1"
     "@salesforce/kit" "^3.1.6"
     "@salesforce/ts-types" "^2.0.10"
     "@types/shelljs" "^0.8.15"
@@ -1821,7 +1821,7 @@
     semver "^7.6.0"
     ts-retry-promise "^0.7.1"
 
-"@salesforce/core@^8.0.1", "@salesforce/core@^8.0.3", "@salesforce/core@^8.1.0", "@salesforce/core@^8.1.1":
+"@salesforce/core@^8.0.1", "@salesforce/core@^8.0.3", "@salesforce/core@^8.1.1":
   version "8.1.1"
   resolved "https://registry.yarnpkg.com/@salesforce/core/-/core-8.1.1.tgz#26db4e6da3573c4bd223eb05cb3da6aad8b2a311"
   integrity sha512-PQ58kz0oRk/cjGhmiRj8W+x0Eg2mrWagrA4xMKaXjBAgSgU+V39BaO9IC1G2cAMGy53JJRBO5G876ala4gD44w==