diff --git a/package.json b/package.json
index 88bb43b..32816c7 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "!lib/**/*.map"
   ],
   "dependencies": {
-    "@salesforce/cli-plugins-testkit": "^5.3.64",
+    "@salesforce/cli-plugins-testkit": "^5.3.66",
     "@salesforce/core": "^8.32.6",
     "@salesforce/kit": "^3.2.6",
     "@salesforce/source-deploy-retrieve": "^12.37.2",
diff --git a/yarn.lock b/yarn.lock
index 3735a60..b0042ee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -611,12 +611,12 @@
   resolved "https://registry.yarnpkg.com/@pkgjs/parseargs/-/parseargs-0.11.0.tgz#a77ea742fab25775145434eb1d2328cf5013ac33"
   integrity sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==
 
-"@salesforce/cli-plugins-testkit@^5.3.64":
-  version "5.3.64"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.64.tgz#6c28fefc787f83096cb274e38fc855727ffa13f3"
-  integrity sha512-4jUPow+oOr2Jp3s3QKCS1Aw9qs9AV2sIuk3YvWz9gMd7Y3/wVROG4C5OelfnrClGocxDAOVaCgJrTSoF0VQzUg==
+"@salesforce/cli-plugins-testkit@^5.3.66":
+  version "5.3.66"
+  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.66.tgz#918a61e62092495bb9fadd1dee38e281d4e7b334"
+  integrity sha512-xmco8MRlrpPmj2n9LZ8hkp0aWWDXbFDvNzTOC6h/z756PSu+g3ERNsW+HwXiyrirMd7rH7IalKSMcNXgWS/f3w==
   dependencies:
-    "@salesforce/core" "^8.31.2"
+    "@salesforce/core" "^8.32.6"
     "@salesforce/kit" "^3.2.6"
     "@salesforce/ts-types" "^2.0.11"
     "@types/shelljs" "^0.10.0"
@@ -627,7 +627,7 @@
     strip-ansi "6.0.1"
     ts-retry-promise "^0.8.1"
 
-"@salesforce/core@^8.31.2", "@salesforce/core@^8.32.2", "@salesforce/core@^8.32.6":
+"@salesforce/core@^8.32.2", "@salesforce/core@^8.32.6":
   version "8.32.6"
   resolved "https://registry.yarnpkg.com/@salesforce/core/-/core-8.32.6.tgz#2824dc917888dc040995dfef3a9e83d41fafbdea"
   integrity sha512-ZR973WoqCgi6cR58WhgokbHVZOaADNKHiuM1FAwS5pTLQnC91xYi04i2e/gpAX2AUf7Ya6zjbusYtZNpSyKKAQ==