diff --git a/package-lock.json b/package-lock.json
index 93f788f..b2597b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,13 +22,13 @@
         "@oclif/test": "4.1.13",
         "@salesforce/dev-config": "4.3.1",
         "@salesforce/ts-sinon": "1.4.31",
-        "@sinonjs/fake-timers": "14.0.0",
+        "@sinonjs/fake-timers": "15.0.0",
         "@types/chai": "5.2.2",
         "@types/jsforce": "1.11.5",
         "@types/mocha": "10.0.10",
         "@types/node": "24.1.0",
         "@types/sinon": "17.0.4",
-        "@types/sinonjs__fake-timers": "8.1.5",
+        "@types/sinonjs__fake-timers": "15.0.1",
         "@typescript-eslint/eslint-plugin": "8.46.2",
         "@typescript-eslint/parser": "^8.46.2",
         "chai": "6.2.0",
@@ -3590,9 +3590,9 @@
       }
     },
     "node_modules/@sinonjs/fake-timers": {
-      "version": "14.0.0",
-      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-14.0.0.tgz",
-      "integrity": "sha512-QfoXRaUTjMVVn/ZbnD4LS3TPtqOkOdKIYCKldIVPnuClcwRKat6LI2mRZ2s5qiBfO6Fy03An35dSls/2/FEc0Q==",
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-15.0.0.tgz",
+      "integrity": "sha512-dlUB2oL+hDIYkIq/OWFBDhQAuU6kDey3eeMiYpVb7UXHhkMq/r1HloKXAbJwJZpYWkFWsydLjMqDpueMUEOjXQ==",
       "dev": true,
       "license": "BSD-3-Clause",
       "dependencies": {
@@ -4561,9 +4561,9 @@
       }
     },
     "node_modules/@types/sinonjs__fake-timers": {
-      "version": "8.1.5",
-      "resolved": "https://registry.npmjs.org/@types/sinonjs__fake-timers/-/sinonjs__fake-timers-8.1.5.tgz",
-      "integrity": "sha512-mQkU2jY8jJEF7YHjHvsQO8+3ughTL1mcnn96igfhONmR+fUPSKIkefQYpSe8bsly2Ep7oQbn/6VG5/9/0qcArQ==",
+      "version": "15.0.1",
+      "resolved": "https://registry.npmjs.org/@types/sinonjs__fake-timers/-/sinonjs__fake-timers-15.0.1.tgz",
+      "integrity": "sha512-Ko2tjWJq8oozHzHV+reuvS5KYIRAokHnGbDwGh/J64LntgpbuylF74ipEL24HCyRjf9FOlBiBHWBR1RlVKsI1w==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 2a74297..5531977 100644
--- a/package.json
+++ b/package.json
@@ -17,13 +17,13 @@
     "@oclif/test": "4.1.13",
     "@salesforce/dev-config": "4.3.1",
     "@salesforce/ts-sinon": "1.4.31",
-    "@sinonjs/fake-timers": "14.0.0",
+    "@sinonjs/fake-timers": "15.0.0",
     "@types/chai": "5.2.2",
     "@types/jsforce": "1.11.5",
     "@types/mocha": "10.0.10",
     "@types/node": "24.1.0",
     "@types/sinon": "17.0.4",
-    "@types/sinonjs__fake-timers": "8.1.5",
+    "@types/sinonjs__fake-timers": "15.0.1",
     "@typescript-eslint/eslint-plugin": "8.46.2",
     "@typescript-eslint/parser": "^8.46.2",
     "chai": "6.2.0",