diff --git a/package.json b/package.json
index ecec11886..8c280b206 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "object-treeify": "^2"
   },
   "devDependencies": {
-    "@salesforce/cli-plugins-testkit": "^5.3.53",
+    "@salesforce/cli-plugins-testkit": "^5.3.55",
     "@salesforce/dev-scripts": "^11.0.4",
     "@types/globby": "^9.1.0",
     "@types/jszip": "^3.4.1",
diff --git a/yarn.lock b/yarn.lock
index 4e623cca8..c2649ab2c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -535,12 +535,12 @@
   resolved "https://registry.yarnpkg.com/@rtsao/scc/-/scc-1.1.0.tgz#927dd2fae9bc3361403ac2c7a00c32ddce9ad7e8"
   integrity sha512-zt6OdqaDoOnJ1ZYsCYGt9YmWzDXl4vQdKTyJev62gFhRGKdx7mcT54V9KIjg+d2wi9EXsPvAPKe7i7WjfVWB8g==
 
-"@salesforce/cli-plugins-testkit@^5.3.53":
-  version "5.3.53"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.53.tgz#acb60f5f50cf7f3211eaf7c70c3dff726b5e1571"
-  integrity sha512-tOMbLXZLrHLvK/qtmTNaTsDW1RC6/vpvXCbodejtMdyiDUf0rY3oROeboFA6VCy5iu71aumetLm1EBlvcyh7hw==
+"@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" "^8.28.3"
+    "@salesforce/core" "^8.29.0"
     "@salesforce/kit" "^3.2.6"
     "@salesforce/ts-types" "^2.0.11"
     "@types/shelljs" "^0.10.0"
@@ -551,7 +551,7 @@
     strip-ansi "6.0.1"
     ts-retry-promise "^0.8.1"
 
-"@salesforce/core@^8.23.1", "@salesforce/core@^8.28.3", "@salesforce/core@^8.28.4", "@salesforce/core@^8.29.0":
+"@salesforce/core@^8.23.1", "@salesforce/core@^8.28.4", "@salesforce/core@^8.29.0":
   version "8.29.0"
   resolved "https://registry.yarnpkg.com/@salesforce/core/-/core-8.29.0.tgz#d75d1afe06962e10c466bdf670fa8512bd683882"
   integrity sha512-q6xDNLPbbZW1n4X4YK1iM8jZvwvJRiwbJxdeF5iHuETxmMka16FoCVi+WziK/Rh5EP0yW08FYyiynwPlgz5RBw==