diff --git a/package-lock.json b/package-lock.json
index c6580787fb..1998122c78 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "SEE LICENSE IN https://tc39.es/ecma262/#sec-copyright-and-software-license",
       "devDependencies": {
-        "ecmarkup": "^19.0.0",
+        "ecmarkup": "^19.1.0",
         "glob": "^7.1.6",
         "jsdom": "^15.0.0",
         "pagedjs": "^0.4.3",
@@ -1243,9 +1243,9 @@
       }
     },
     "node_modules/ecmarkup": {
-      "version": "19.0.0",
-      "resolved": "https://registry.npmjs.org/ecmarkup/-/ecmarkup-19.0.0.tgz",
-      "integrity": "sha512-ncn5LXs46jPqcQSO/XdJCOOsdAvC8xT/Yebxted4qgpYWLisY4AEdOdZ4OXKgmPXGgWBqAgCSoV0obvEBEz8Hg==",
+      "version": "19.1.0",
+      "resolved": "https://registry.npmjs.org/ecmarkup/-/ecmarkup-19.1.0.tgz",
+      "integrity": "sha512-+mh2vIcRCJtr8poJl64yulZkSSWpd7TQpORj+WVRmFe5omdS33eF94XjPa8QN0TiNz7gaCwJygKUF4COO142mA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 013ffb2639..e0695f3569 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "license": "SEE LICENSE IN https://tc39.es/ecma262/#sec-copyright-and-software-license",
   "homepage": "https://tc39.es/ecma262/",
   "devDependencies": {
-    "ecmarkup": "^19.0.0",
+    "ecmarkup": "^19.1.0",
     "glob": "^7.1.6",
     "jsdom": "^15.0.0",
     "pagedjs": "^0.4.3",