diff --git a/package-lock.json b/package-lock.json
index e31b7c4ce9..858ccc8d77 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "codimd",
-  "version": "2.3.2",
+  "version": "2.4.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -7068,18 +7068,18 @@
       "dev": true
     },
     "flowchart.js": {
-      "version": "1.12.2",
-      "resolved": "https://registry.npmjs.org/flowchart.js/-/flowchart.js-1.12.2.tgz",
-      "integrity": "sha512-dS+cKoN0QL0hjgxW99XlN4VJsn5QDGGsE0JxYwoTp0ro/lLsRoKWhXwgZJPqTKclGwcCQiCAJzAn/KIeha5Whg==",
+      "version": "1.15.0",
+      "resolved": "https://registry.npmjs.org/flowchart.js/-/flowchart.js-1.15.0.tgz",
+      "integrity": "sha512-IyCVUFfHPLPgKLynw3NCkZ7CvKJdc/bAu0aHm+2AxKhtSBCiUC1kcTX1KautC3HOp1A2JS1IOcYxDTmcMkx5nQ==",
       "dev": true,
       "requires": {
-        "raphael": "2.2.7"
+        "raphael": "2.3.0"
       },
       "dependencies": {
         "raphael": {
-          "version": "2.2.7",
-          "resolved": "https://registry.npmjs.org/raphael/-/raphael-2.2.7.tgz",
-          "integrity": "sha1-IxsZFB+NCGmG2PrOtm+LVi7iyBA=",
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/raphael/-/raphael-2.3.0.tgz",
+          "integrity": "sha512-w2yIenZAQnp257XUWGni4bLMVxpUpcIl7qgxEgDIXtmSypYtlNxfXWpOBxs7LBTps5sDwhRnrToJrMUrivqNTQ==",
           "dev": true,
           "requires": {
             "eve-raphael": "0.5.0"
diff --git a/package.json b/package.json
index 9cd77f7436..a55ecc924c 100644
--- a/package.json
+++ b/package.json
@@ -130,7 +130,7 @@
     "expose-loader": "~0.7.5",
     "file-loader": "~2.0.0",
     "file-saver": "~2.0.2",
-    "flowchart.js": "~1.12.2",
+    "flowchart.js": "~1.15.0",
     "fork-awesome": "~1.1.7",
     "gist-embed": "~2.6.0",
     "graceful-fs": "~4.2.1",