diff --git a/package.json b/package.json
index 025d022d..e441fef0 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@oclif/plugin-command-snapshot": "^5.3.16",
-    "@salesforce/cli-plugins-testkit": "^5.3.54",
+    "@salesforce/cli-plugins-testkit": "^5.3.55",
     "@salesforce/dev-scripts": "^8.5.0",
     "@salesforce/plugin-command-reference": "^3.1.93",
     "@salesforce/ts-sinon": "^1.4.34",
diff --git a/yarn.lock b/yarn.lock
index b4fc73b2..8790ec8e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1939,12 +1939,12 @@
     "@pnpm/network.ca-file" "^1.0.1"
     config-chain "^1.1.11"
 
-"@salesforce/cli-plugins-testkit@^5.3.54":
-  version "5.3.54"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.54.tgz#636bed66cb28f94c3d415277d1796f5407a6313f"
-  integrity sha512-OT4S2Wstg2gqWWbhG4q+/AioIWpU1BEsC+KBIBtw1Wckktxv6B/SWlpgIrCz6nQAPwwDpY1sNeGLxpDsNUKVzw==
+"@salesforce/cli-plugins-testkit@^5.3.55":
+  version "5.3.55"
+  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.55.tgz#9230cb131950c60334b250940826ad20fe029023"
+  integrity sha512-NzV5WWHJDoybEtHVeTOQt/P/VizWsYwhiyAMU98NG+xAdQVBYyTx/2NhRTgnatxqHyNkYKwPMIJJQ9FLvHpU1A==
   dependencies:
-    "@salesforce/core" "^8.28.4"
+    "@salesforce/core" "^8.29.0"
     "@salesforce/kit" "^3.2.6"
     "@salesforce/ts-types" "^2.0.11"
     "@types/shelljs" "^0.10.0"
@@ -1978,10 +1978,10 @@
     semver "^7.6.0"
     ts-retry-promise "^0.7.1"
 
-"@salesforce/core@^8.23.1", "@salesforce/core@^8.28.4", "@salesforce/core@^8.5.1":
-  version "8.28.4"
-  resolved "https://registry.yarnpkg.com/@salesforce/core/-/core-8.28.4.tgz#98920d62c2b2a7fa025af38c74bdf6687d91b0a8"
-  integrity sha512-XQ0BBSetdW9cu36pu8ig5ZBX3oAbDSSH4djHkSU3iAzjLdTygEPIBVtKNeyj1++GmCy0rRiLr/yqoFYr21+GuQ==
+"@salesforce/core@^8.23.1", "@salesforce/core@^8.28.4", "@salesforce/core@^8.29.0", "@salesforce/core@^8.5.1":
+  version "8.29.0"
+  resolved "https://registry.yarnpkg.com/@salesforce/core/-/core-8.29.0.tgz#d75d1afe06962e10c466bdf670fa8512bd683882"
+  integrity sha512-q6xDNLPbbZW1n4X4YK1iM8jZvwvJRiwbJxdeF5iHuETxmMka16FoCVi+WziK/Rh5EP0yW08FYyiynwPlgz5RBw==
   dependencies:
     "@jsforce/jsforce-node" "^3.10.13"
     "@salesforce/kit" "^3.2.4"