diff --git a/package-lock.json b/package-lock.json
index 0ef6181..2fe8921 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -182,9 +182,12 @@
       "integrity": "sha512-zkYho6/4wZyX6o9UQ8rd0ReEaiEYNNCqYFIAACe2Tf9DrYlgzWW27OigYHnnztnnZQwVRpwWmZKegFmDpinIsA=="
     },
     "@types/sinon": {
-      "version": "7.5.0",
-      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-7.5.0.tgz",
-      "integrity": "sha512-NyzhuSBy97B/zE58cDw4NyGvByQbAHNP9069KVSgnXt/sc0T6MFRh0InKAeBVHJWdSXG1S3+PxgVIgKo9mTHbw=="
+      "version": "9.0.5",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-9.0.5.tgz",
+      "integrity": "sha512-4CnkGdM/5/FXDGqL32JQ1ttVrGvhOoesLLF7VnTh4KdjK5N5VQOtxaylFqqTjnHx55MnD9O02Nbk5c1ELC8wlQ==",
+      "requires": {
+        "@types/sinonjs__fake-timers": "*"
+      }
     },
     "@types/sinon-chai": {
       "version": "3.2.3",
@@ -203,6 +206,11 @@
         "@types/sinon": "*"
       }
     },
+    "@types/sinonjs__fake-timers": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/@types/sinonjs__fake-timers/-/sinonjs__fake-timers-6.0.1.tgz",
+      "integrity": "sha512-yYezQwGWty8ziyYLdZjwxyMb0CZR49h8JALHGrxjQHWlqGgc8kLdHEgWrgL0uZ29DMvEVBDnHU2Wg36zKSIUtA=="
+    },
     "@types/strip-bom": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/@types/strip-bom/-/strip-bom-3.0.0.tgz",
diff --git a/package.json b/package.json
index 232f5c1..19cba55 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@types/chai": "^4.1.2",
     "@types/mocha": "^2.2.47",
     "@types/node": "^9.3.0",
-    "@types/sinon": "^7.5.0",
+    "@types/sinon": "^9.0.5",
     "@types/sinon-chai": "^3.2.3",
     "@types/sinon-test": "^2.4.0",
     "chai": "^4.1.2",