diff --git a/packages/backend/server/package.json b/packages/backend/server/package.json
index 9a76878b41..70ca4165e6 100644
--- a/packages/backend/server/package.json
+++ b/packages/backend/server/package.json
@@ -116,7 +116,7 @@
     "ava": "^6.1.2",
     "c8": "^9.1.0",
     "nodemon": "^3.1.0",
-    "sinon": "^17.0.1",
+    "sinon": "^18.0.0",
     "supertest": "^7.0.0"
   },
   "ava": {
diff --git a/yarn.lock b/yarn.lock
index 5f867cc5f9..e51da6b07d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -748,7 +748,7 @@ __metadata:
     reflect-metadata: "npm:^0.2.2"
     rxjs: "npm:^7.8.1"
     semver: "npm:^7.6.0"
-    sinon: "npm:^17.0.1"
+    sinon: "npm:^18.0.0"
     socket.io: "npm:^4.7.5"
     stripe: "npm:^15.0.0"
     supertest: "npm:^7.0.0"
@@ -12094,7 +12094,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@sinonjs/commons@npm:^3.0.0":
+"@sinonjs/commons@npm:^3.0.0, @sinonjs/commons@npm:^3.0.1":
   version: 3.0.1
   resolution: "@sinonjs/commons@npm:3.0.1"
   dependencies:
@@ -19959,7 +19959,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"diff@npm:^5.0.0, diff@npm:^5.1.0":
+"diff@npm:^5.0.0, diff@npm:^5.2.0":
   version: 5.2.0
   resolution: "diff@npm:5.2.0"
   checksum: 10/01b7b440f83a997350a988e9d2f558366c0f90f15be19f4aa7f1bb3109a4e153dfc3b9fbf78e14ea725717017407eeaa2271e3896374a0181e8f52445740846d
@@ -29043,16 +29043,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nise@npm:^5.1.5":
-  version: 5.1.9
-  resolution: "nise@npm:5.1.9"
+"nise@npm:^6.0.0":
+  version: 6.0.0
+  resolution: "nise@npm:6.0.0"
   dependencies:
     "@sinonjs/commons": "npm:^3.0.0"
     "@sinonjs/fake-timers": "npm:^11.2.2"
     "@sinonjs/text-encoding": "npm:^0.7.2"
     just-extend: "npm:^6.2.0"
     path-to-regexp: "npm:^6.2.1"
-  checksum: 10/971caf7638d42a0e106eadd63f05adac1217f864b0a7e4519546aea82a0dbfac68586e7ff430704d54a01ff5dbf6cad58f5f67c067e21112a7deacd7789c2172
+  checksum: 10/a11be5fd21ece95c80fda14a2cf80350404acc895467fc5104dc9ea9c0630614fcc83e10591ead96796b31aa2f3ccb7dc9198ed940d0f3e91e760bf5104d41a8
   languageName: node
   linkType: hard
 
@@ -33344,17 +33344,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sinon@npm:^17.0.1":
-  version: 17.0.1
-  resolution: "sinon@npm:17.0.1"
+"sinon@npm:^18.0.0":
+  version: 18.0.0
+  resolution: "sinon@npm:18.0.0"
   dependencies:
-    "@sinonjs/commons": "npm:^3.0.0"
+    "@sinonjs/commons": "npm:^3.0.1"
     "@sinonjs/fake-timers": "npm:^11.2.2"
     "@sinonjs/samsam": "npm:^8.0.0"
-    diff: "npm:^5.1.0"
-    nise: "npm:^5.1.5"
-    supports-color: "npm:^7.2.0"
-  checksum: 10/b34f1a97da0be3556ac686c6b649a566c2666eb7f50e75e754928c1c72c96d78f56e56a999227be794c3d9cdaed0bc78d11f38ab303d3079c5bcbcffc0f9c6d5
+    diff: "npm:^5.2.0"
+    nise: "npm:^6.0.0"
+    supports-color: "npm:^7"
+  checksum: 10/4c491798e2b7bb0e60357eb19820956229fb4356af7b00498f7a30dcbfe186597c816c331d8acd1771cb32510adde7657eeee0172fbd0baecdbb00e1d8c6806f
   languageName: node
   linkType: hard
 
@@ -34350,7 +34350,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"supports-color@npm:^7.1.0, supports-color@npm:^7.2.0":
+"supports-color@npm:^7, supports-color@npm:^7.1.0":
   version: 7.2.0
   resolution: "supports-color@npm:7.2.0"
   dependencies: