diff --git a/package.json b/package.json
index 54ad01e..f88d0b6 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "@types/lodash": "^4.14.106",
     "@types/mocha": "^5.2.6",
     "@types/node": "~11.9.4",
-    "@types/sinon": "^7.0.5",
+    "@types/sinon": "^9.0.0",
     "mocha": "6.0.0",
     "node-mocks-http": "^1.7.3",
     "sinon": "^7.2.3",
diff --git a/yarn.lock b/yarn.lock
index 26065ca..179c7a8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -95,10 +95,17 @@
     "@types/express-serve-static-core" "*"
     "@types/mime" "*"
 
-"@types/sinon@^7.0.5":
-  version "7.0.6"
-  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-7.0.6.tgz#dbe6c059dd4e2fd2b8e8fc3ed051d4706c84c63e"
-  integrity sha512-ldQl2p7kyCXHhr//5sQCu9jWgSiDbYuCD5dUp53r/z8T8jmgKpANpy4vqjbdho9P2ldFaQC/gpW31hch+oQ0IQ==
+"@types/sinon@^9.0.0":
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-9.0.0.tgz#5b70a360f55645dd64f205defd2a31b749a59799"
+  integrity sha512-v2TkYHkts4VXshMkcmot/H+ERZ2SevKa10saGaJPGCJ8vh3lKrC4u663zYEeRZxep+VbG6YRDtQ6gVqw9dYzPA==
+  dependencies:
+    "@types/sinonjs__fake-timers" "*"
+
+"@types/sinonjs__fake-timers@*":
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/@types/sinonjs__fake-timers/-/sinonjs__fake-timers-6.0.1.tgz#681df970358c82836b42f989188d133e218c458e"
+  integrity sha512-yYezQwGWty8ziyYLdZjwxyMb0CZR49h8JALHGrxjQHWlqGgc8kLdHEgWrgL0uZ29DMvEVBDnHU2Wg36zKSIUtA==
 
 accepts@^1.3.5:
   version "1.3.5"