diff --git a/src/package-lock.json b/src/package-lock.json
index caea739..cff7894 100644
--- a/src/package-lock.json
+++ b/src/package-lock.json
@@ -433,9 +433,9 @@
       }
     },
     "@sinonjs/fake-timers": {
-      "version": "7.1.2",
-      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-7.1.2.tgz",
-      "integrity": "sha512-iQADsW4LBMISqZ6Ci1dupJL9pprqwcVFTcOsEmQOEhW+KLCVn/Y4Jrvg2k19fIHCp+iFprriYPTdRcQR8NbUPg==",
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-8.1.0.tgz",
+      "integrity": "sha512-OAPJUAtgeINhh/TAlUID4QTs53Njm7xzddaVlEs/SXwgtiD1tW22zAB/W1wdqfrpmikgaWQ9Fw6Ws+hsiRm5Vg==",
       "dev": true,
       "requires": {
         "@sinonjs/commons": "^1.7.0"
@@ -3423,6 +3423,15 @@
         "path-to-regexp": "^1.7.0"
       },
       "dependencies": {
+        "@sinonjs/fake-timers": {
+          "version": "7.1.2",
+          "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-7.1.2.tgz",
+          "integrity": "sha512-iQADsW4LBMISqZ6Ci1dupJL9pprqwcVFTcOsEmQOEhW+KLCVn/Y4Jrvg2k19fIHCp+iFprriYPTdRcQR8NbUPg==",
+          "dev": true,
+          "requires": {
+            "@sinonjs/commons": "^1.7.0"
+          }
+        },
         "isarray": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
@@ -4400,13 +4409,13 @@
       }
     },
     "sinon": {
-      "version": "11.1.2",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-11.1.2.tgz",
-      "integrity": "sha512-59237HChms4kg7/sXhiRcUzdSkKuydDeTiamT/jesUVHshBgL8XAmhgFo0GfK6RruMDM/iRSij1EybmMog9cJw==",
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-12.0.0.tgz",
+      "integrity": "sha512-wVMT1jvgyLroQu+tWTa2XJu2g5SoVaEBhdwGPuzmWlRvZNSG+pcEb8HEmsxTdoPjUL58pJFQ3+oFRWrhC4JKHw==",
       "dev": true,
       "requires": {
         "@sinonjs/commons": "^1.8.3",
-        "@sinonjs/fake-timers": "^7.1.2",
+        "@sinonjs/fake-timers": "^8.1.0",
         "@sinonjs/samsam": "^6.0.2",
         "diff": "^5.0.0",
         "nise": "^5.1.0",
diff --git a/src/package.json b/src/package.json
index 875504a..4be70b1 100644
--- a/src/package.json
+++ b/src/package.json
@@ -41,7 +41,7 @@
     "mongodb-memory-server": "^6.9.6",
     "mongoose": "^5.13.11",
     "nyc": "^15.1.0",
-    "sinon": "^11.1.2",
+    "sinon": "^12.0.0",
     "sinon-chai": "^3.7.0"
   },
   "nyc": {