diff --git a/package-lock.json b/package-lock.json
index a5493b3..f076e8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4039,9 +4039,9 @@
       "dev": true
     },
     "diff": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.1.tgz",
-      "integrity": "sha512-s2+XdvhPCOF01LRQBC8hf4vhbVmI2CGS5aZnxLJlT5FtdhPCDFq80q++zK2KlrVorVDdL5BOGZ/VfLrVtYNF+Q==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+      "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
       "dev": true
     },
     "diff-sequences": {
@@ -8638,15 +8638,15 @@
       "dev": true
     },
     "sinon": {
-      "version": "8.0.4",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-8.0.4.tgz",
-      "integrity": "sha512-cFsmgmvsgFb87e7SV7IcekogITlHX2KmlplyI9Pda0FH1Z8Ms/kWbpLs25Idp0m6ZJ3HEEjhaYYXbcTtWWUn4w==",
+      "version": "8.1.1",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-8.1.1.tgz",
+      "integrity": "sha512-E+tWr3acRdoe1nXbHMu86SSqA1WGM7Yw3jZRLvlCMnXwTHP8lgFFVn5BnKnF26uc5SfZ3D7pA9sN7S3Y2jG4Ew==",
       "dev": true,
       "requires": {
         "@sinonjs/commons": "^1.7.0",
         "@sinonjs/formatio": "^4.0.1",
-        "@sinonjs/samsam": "^4.2.1",
-        "diff": "^4.0.1",
+        "@sinonjs/samsam": "^4.2.2",
+        "diff": "^4.0.2",
         "lolex": "^5.1.2",
         "nise": "^3.0.1",
         "supports-color": "^7.1.0"
diff --git a/package.json b/package.json
index 725d712..2254284 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "rollup-plugin-json": "4.0.0",
     "rollup-plugin-node-resolve": "5.2.0",
     "rollup-plugin-uglify": "6.0.4",
-    "sinon": "8.0.4"
+    "sinon": "8.1.1"
   },
   "lint-staged": {
     "src/**/*.js": "eslint",