diff --git a/package-lock.json b/package-lock.json
index d88e3ae4..e7c467b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -769,9 +769,9 @@
       "dev": true
     },
     "diff": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
-      "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
+      "integrity": "sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w==",
       "dev": true
     },
     "doctrine": {
@@ -2243,6 +2243,12 @@
         "tsutils": "^2.29.0"
       },
       "dependencies": {
+        "diff": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+          "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+          "dev": true
+        },
         "semver": {
           "version": "5.7.1",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
diff --git a/package.json b/package.json
index c146ea99..41354304 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "@types/jasmine": "3.6.2",
     "@types/node": "14.14.13",
     "codecov": "3.8.1",
-    "diff": "4.0.2",
+    "diff": "5.0.0",
     "jasmine": "3.6.3",
     "jasmine-core": "3.6.0",
     "nyc": "15.1.0",