diff --git a/package-lock.json b/package-lock.json
index 40779da3..19c81d50 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
         "firebase-functions-test": "3.0.0",
         "mocha": "10.1.0",
         "nyc": "15.1.0",
-        "sinon": "14.0.2",
+        "sinon": "15.0.0",
         "sinon-chai": "3.7.0",
         "ts-node": "10.9.1",
         "ts-sinon": "2.0.2",
@@ -7449,9 +7449,9 @@
       "dev": true
     },
     "node_modules/sinon": {
-      "version": "14.0.2",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-14.0.2.tgz",
-      "integrity": "sha512-PDpV0ZI3ZCS3pEqx0vpNp6kzPhHrLx72wA0G+ZLaaJjLIYeE0n8INlgaohKuGy7hP0as5tbUd23QWu5U233t+w==",
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.0.tgz",
+      "integrity": "sha512-pV97G1GbslaSJoSdy2F2z8uh5F+uPGp3ddOzA4JsBOUBLEQRz2OAqlKGRFTSh2KiqUCmHkzyAeu7R4x1Hx0wwg==",
       "dev": true,
       "dependencies": {
         "@sinonjs/commons": "^2.0.0",
@@ -14215,9 +14215,9 @@
       "dev": true
     },
     "sinon": {
-      "version": "14.0.2",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-14.0.2.tgz",
-      "integrity": "sha512-PDpV0ZI3ZCS3pEqx0vpNp6kzPhHrLx72wA0G+ZLaaJjLIYeE0n8INlgaohKuGy7hP0as5tbUd23QWu5U233t+w==",
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-15.0.0.tgz",
+      "integrity": "sha512-pV97G1GbslaSJoSdy2F2z8uh5F+uPGp3ddOzA4JsBOUBLEQRz2OAqlKGRFTSh2KiqUCmHkzyAeu7R4x1Hx0wwg==",
       "dev": true,
       "requires": {
         "@sinonjs/commons": "^2.0.0",
diff --git a/package.json b/package.json
index 6ebd780b..ec3bedb1 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "firebase-functions-test": "3.0.0",
     "mocha": "10.1.0",
     "nyc": "15.1.0",
-    "sinon": "14.0.2",
+    "sinon": "15.0.0",
     "sinon-chai": "3.7.0",
     "ts-node": "10.9.1",
     "ts-sinon": "2.0.2",