diff --git a/package.json b/package.json
index 3f01fe95..8899fc1a 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
   },
   "dependencies": {
     "@sourcegraph/extension-api-classes": "^1.1.0",
-    "@types/sinon": "10.0.2",
+    "@types/sinon": "10.0.4",
     "rxjs": "^6.5.1",
     "sinon": "^10.0.0",
     "sourcegraph": "^25.3.0"
diff --git a/yarn.lock b/yarn.lock
index 7752105f..1a382eee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -772,10 +772,10 @@
   resolved "https://registry.yarnpkg.com/@types/retry/-/retry-0.12.0.tgz#2b35eccfcee7d38cd72ad99232fbd58bffb3c84d"
   integrity sha512-wWKOClTTiizcZhXnPY4wikVAwmdYHp8q6DmC+EJUzAMsycb7HB32Kh9RN4+0gExjmPmZSAQjgURXIGATPegAvA==
 
-"@types/sinon@10.0.2":
-  version "10.0.2"
-  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-10.0.2.tgz#f360d2f189c0fd433d14aeb97b9d705d7e4cc0e4"
-  integrity sha512-BHn8Bpkapj8Wdfxvh2jWIUoaYB/9/XhsL0oOvBfRagJtKlSl9NWPcFOz2lRukI9szwGxFtYZCTejJSqsGDbdmw==
+"@types/sinon@10.0.4":
+  version "10.0.4"
+  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-10.0.4.tgz#9332527665692b9f6826afe017f342a3ac6120f4"
+  integrity sha512-fOYjrxQv8zJsqOY6V6ecP4eZhQBxtY80X0er1VVnUIAIZo74jHm8e1vguG5Yt4Iv8W2Wr7TgibB8MfRe32k9pA==
   dependencies:
     "@sinonjs/fake-timers" "^7.1.0"