diff --git a/package.json b/package.json
index 649f134a8..20e84bf2c 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "eslint-plugin-ghost": "3.4.3",
     "eslint-plugin-react": "7.37.5",
     "lerna": "6.6.2",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   }
diff --git a/packages/adapter-base-cache/package.json b/packages/adapter-base-cache/package.json
index 34eb46508..32bb37811 100644
--- a/packages/adapter-base-cache/package.json
+++ b/packages/adapter-base-cache/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "sinon": "21.0.0"
   }
 }
diff --git a/packages/admin-api-schema/package.json b/packages/admin-api-schema/package.json
index 5c795ce77..ad5db0563 100644
--- a/packages/admin-api-schema/package.json
+++ b/packages/admin-api-schema/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   },
diff --git a/packages/admin-api/package.json b/packages/admin-api/package.json
index 2a9d37237..930dd739e 100644
--- a/packages/admin-api/package.json
+++ b/packages/admin-api/package.json
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   },
diff --git a/packages/color-utils/package.json b/packages/color-utils/package.json
index 0af0e4d6b..a9ff3d51c 100644
--- a/packages/color-utils/package.json
+++ b/packages/color-utils/package.json
@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@rollup/plugin-typescript": "12.1.4",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "rollup": "2.79.2",
     "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-node-resolve": "5.2.0",
diff --git a/packages/config-url-helpers/package.json b/packages/config-url-helpers/package.json
index b091bbc43..a49d4a27d 100644
--- a/packages/config-url-helpers/package.json
+++ b/packages/config-url-helpers/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   }
diff --git a/packages/content-api/package.json b/packages/content-api/package.json
index 53de25723..7bbd655ff 100644
--- a/packages/content-api/package.json
+++ b/packages/content-api/package.json
@@ -41,7 +41,7 @@
     "c8": "10.1.3",
     "core-js": "3.45.0",
     "eslint-plugin-ghost": "3.4.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "rollup": "2.79.2",
     "rollup-plugin-babel": "4.4.0",
     "rollup-plugin-commonjs": "10.1.0",
diff --git a/packages/custom-fonts/package.json b/packages/custom-fonts/package.json
index 6ad5d5cb1..d1faddc79 100644
--- a/packages/custom-fonts/package.json
+++ b/packages/custom-fonts/package.json
@@ -41,7 +41,7 @@
   "devDependencies": {
     "@types/mocha": "10.0.10",
     "c8": "10.1.3",
-    "mocha": "10.8.2",
+    "mocha": "11.7.1",
     "sinon": "21.0.0",
     "ts-node": "10.9.2",
     "typescript": "5.9.2"
diff --git a/packages/helpers-gatsby/package.json b/packages/helpers-gatsby/package.json
index 03b5e2fa0..35ca853d0 100644
--- a/packages/helpers-gatsby/package.json
+++ b/packages/helpers-gatsby/package.json
@@ -33,7 +33,7 @@
     "@babel/preset-env": "7.28.3",
     "@babel/preset-react": "7.27.1",
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "react": "18.3.1",
     "rimraf": "6.0.1",
     "should": "13.2.3",
diff --git a/packages/helpers/package.json b/packages/helpers/package.json
index 296a7047c..d712ba5dd 100644
--- a/packages/helpers/package.json
+++ b/packages/helpers/package.json
@@ -39,7 +39,7 @@
     "@babel/polyfill": "7.12.1",
     "c8": "10.1.3",
     "istanbul": "0.4.5",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "rollup": "2.79.2",
     "rollup-plugin-babel": "4.4.0",
     "rollup-plugin-commonjs": "10.1.0",
diff --git a/packages/html-to-plaintext/package.json b/packages/html-to-plaintext/package.json
index 43ca703ea..592a18557 100644
--- a/packages/html-to-plaintext/package.json
+++ b/packages/html-to-plaintext/package.json
@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "c8": "10.1.3",
-    "mocha": "11.2.2"
+    "mocha": "11.7.1"
   },
   "dependencies": {
     "html-to-text": "8.2.1",
diff --git a/packages/image-transform/package.json b/packages/image-transform/package.json
index 14206bc5a..27f250310 100644
--- a/packages/image-transform/package.json
+++ b/packages/image-transform/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   },
diff --git a/packages/limit-service/package.json b/packages/limit-service/package.json
index b49b04c6e..7f49f4269 100644
--- a/packages/limit-service/package.json
+++ b/packages/limit-service/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   },
diff --git a/packages/schema-org/package.json b/packages/schema-org/package.json
index cfec210ef..d43550677 100644
--- a/packages/schema-org/package.json
+++ b/packages/schema-org/package.json
@@ -28,7 +28,7 @@
   "devDependencies": {
     "c8": "10.1.3",
     "istanbul": "0.4.5",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   },
diff --git a/packages/social-urls/package.json b/packages/social-urls/package.json
index 6733fd338..d44711520 100644
--- a/packages/social-urls/package.json
+++ b/packages/social-urls/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   }
diff --git a/packages/string/package.json b/packages/string/package.json
index c823763ae..b87065ea8 100644
--- a/packages/string/package.json
+++ b/packages/string/package.json
@@ -25,7 +25,7 @@
   "devDependencies": {
     "c8": "10.1.3",
     "jsdom": "26.1.0",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
   },
diff --git a/packages/timezone-data/package.json b/packages/timezone-data/package.json
index da533af36..1f189597b 100644
--- a/packages/timezone-data/package.json
+++ b/packages/timezone-data/package.json
@@ -38,7 +38,7 @@
   "devDependencies": {
     "@rollup/plugin-typescript": "12.1.4",
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "rollup": "2.79.2",
     "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-node-resolve": "5.2.0",
diff --git a/packages/url-utils/package.json b/packages/url-utils/package.json
index 3c868c633..9f65a8b42 100644
--- a/packages/url-utils/package.json
+++ b/packages/url-utils/package.json
@@ -25,7 +25,7 @@
   "devDependencies": {
     "@tryghost/config-url-helpers": "^1.0.17",
     "c8": "10.1.3",
-    "mocha": "11.2.2",
+    "mocha": "11.7.1",
     "rewire": "9.0.1",
     "should": "13.2.3",
     "sinon": "21.0.0"
diff --git a/yarn.lock b/yarn.lock
index aa8b5ec21..96978ef6b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8931,7 +8931,7 @@ minimatch@^8.0.2:
   dependencies:
     brace-expansion "^2.0.1"
 
-minimatch@^9.0.0, minimatch@^9.0.3, minimatch@^9.0.4:
+minimatch@^9.0.0, minimatch@^9.0.3, minimatch@^9.0.4, minimatch@^9.0.5:
   version "9.0.5"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-9.0.5.tgz#d74f9dd6b57d83d8e98cfb82133b03978bc929e5"
   integrity sha512-G6T0ZX48xgozx7587koeX9Ys2NYy6Gmv//P89sEte9V9whIapMNF4idKxnW2QtCcLiTWlb/wfCabAtAFWhhBow==
@@ -9102,28 +9102,28 @@ mocha@10.8.2:
     yargs-parser "^20.2.9"
     yargs-unparser "^2.0.0"
 
-mocha@11.2.2:
-  version "11.2.2"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-11.2.2.tgz#2dfefc9652de746389f5286888034239b6486231"
-  integrity sha512-VlSBxrPYHK4YNOEbFdkCxHQbZMoNzBkoPprqtZRW6311EUF/DlSxoycE2e/2NtRk4WKkIXzyrXDTrlikJMWgbw==
+mocha@11.7.1:
+  version "11.7.1"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-11.7.1.tgz#91948fecd624fb4bd154ed260b7e1ad3910d7c7a"
+  integrity sha512-5EK+Cty6KheMS/YLPPMJC64g5V61gIR25KsRItHw6x4hEKT6Njp1n9LOlH4gpevuwMVS66SXaBBpg+RWZkza4A==
   dependencies:
     browser-stdout "^1.3.1"
     chokidar "^4.0.1"
     debug "^4.3.5"
-    diff "^5.2.0"
+    diff "^7.0.0"
     escape-string-regexp "^4.0.0"
     find-up "^5.0.0"
     glob "^10.4.5"
     he "^1.2.0"
     js-yaml "^4.1.0"
     log-symbols "^4.1.0"
-    minimatch "^5.1.6"
+    minimatch "^9.0.5"
     ms "^2.1.3"
     picocolors "^1.1.1"
     serialize-javascript "^6.0.2"
     strip-json-comments "^3.1.1"
     supports-color "^8.1.1"
-    workerpool "^6.5.1"
+    workerpool "^9.2.0"
     yargs "^17.7.2"
     yargs-parser "^21.1.1"
     yargs-unparser "^2.0.0"
@@ -12724,6 +12724,11 @@ workerpool@^6.4.0, workerpool@^6.5.1:
   resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.5.1.tgz#060f73b39d0caf97c6db64da004cd01b4c099544"
   integrity sha512-Fs4dNYcsdpYSAfVxhnl1L5zTksjvOJxtC5hzMNl+1t9B8hTJTdKDyZ5ju7ztgPy+ft9tBFXoOlDNiOT9WUXZlA==
 
+workerpool@^9.2.0:
+  version "9.3.3"
+  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-9.3.3.tgz#e75281fe62e851afb21cdeef8fa85f6a62ec3583"
+  integrity sha512-slxCaKbYjEdFT/o2rH9xS1hf4uRDch1w7Uo+apxhZ+sf/1d9e0ZVkn42kPNGP2dgjIx6YFvSevj0zHvbWe2jdw==
+
 "wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"