diff --git a/package-lock.json b/package-lock.json
index b374df4bc9..101be56a5e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,7 +36,7 @@
         "ctph.js": "0.0.5",
         "d3": "7.9.0",
         "d3-hexbin": "^0.2.2",
-        "diff": "^5.2.0",
+        "diff": "^8.0.3",
         "dompurify": "^3.2.5",
         "es6-promisify": "^7.0.0",
         "escodegen": "^2.1.0",
@@ -8315,9 +8315,9 @@
       "license": "Apache-2.0"
     },
     "node_modules/diff": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-5.2.0.tgz",
-      "integrity": "sha512-uIFDxqpRZGZ6ThOk84hEfqWoHx2devRFvpTZcTHur85vImfaxUbTW9Ryh4CpCuDnToOP1CEtXKIgytHBPVff5A==",
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.3.tgz",
+      "integrity": "sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ==",
       "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.3.1"
diff --git a/package.json b/package.json
index 9191ab6f03..1a5e7ef5b1 100644
--- a/package.json
+++ b/package.json
@@ -122,7 +122,7 @@
     "ctph.js": "0.0.5",
     "d3": "7.9.0",
     "d3-hexbin": "^0.2.2",
-    "diff": "^5.2.0",
+    "diff": "^8.0.3",
     "dompurify": "^3.2.5",
     "es6-promisify": "^7.0.0",
     "escodegen": "^2.1.0",