diff --git a/package.json b/package.json
index 06e79299..4a8f93ad 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,7 @@
     "npm-run-all": "4.1.5",
     "nyc": "13.3.0",
     "primer-tooltips": "2.0.0",
-    "sinon": "7.3.0",
+    "sinon": "7.3.1",
     "socket.io-client": "2.2.0",
     "stylelint": "9.10.1",
     "stylelint-config-standard": "18.2.0",
diff --git a/yarn.lock b/yarn.lock
index 7bc3b11e..bb65ff6a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -766,10 +766,10 @@
     array-from "^2.1.1"
     lodash "^4.17.11"
 
-"@sinonjs/samsam@^3.3.0":
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-3.3.0.tgz#9557ea89cd39dbc94ffbd093c8085281cac87416"
-  integrity sha512-beHeJM/RRAaLLsMJhsCvHK31rIqZuobfPLa/80yGH5hnD8PV1hyh9xJBJNFfNmO7yWqm+zomijHsXpI6iTQJfQ==
+"@sinonjs/samsam@^3.3.1":
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-3.3.1.tgz#e88c53fbd9d91ad9f0f2b0140c16c7c107fe0d07"
+  integrity sha512-wRSfmyd81swH0hA1bxJZJ57xr22kC07a1N4zuIL47yTS04bDk6AoCkczcqHEjcRPmJ+FruGJ9WBQiJwMtIElFw==
   dependencies:
     "@sinonjs/commons" "^1.0.2"
     array-from "^2.1.1"
@@ -7285,14 +7285,14 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
-sinon@7.3.0:
-  version "7.3.0"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-7.3.0.tgz#fd409432bf2ef8ee6a302cf47ca1b0c95fd4de38"
-  integrity sha512-0pYvgRv46fODzT/PByqb79MVNpyxsxf38WEiXTABOF8RfIMcIARfZ+1ORuxwAmHkreZ/jST3UDBdKCRhUy/e1A==
+sinon@7.3.1:
+  version "7.3.1"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-7.3.1.tgz#e8276522104e6c08d1cb52a907270b0e316655c4"
+  integrity sha512-eQKMaeWovtOtYe2xThEvaHmmxf870Di+bim10c3ZPrL5bZhLGtu8cz+rOBTFz0CwBV4Q/7dYwZiqZbGVLZ+vjQ==
   dependencies:
     "@sinonjs/commons" "^1.4.0"
     "@sinonjs/formatio" "^3.2.1"
-    "@sinonjs/samsam" "^3.3.0"
+    "@sinonjs/samsam" "^3.3.1"
     diff "^3.5.0"
     lolex "^3.1.0"
     nise "^1.4.10"