diff --git a/package-lock.json b/package-lock.json
index b20f82c..82085f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -72,7 +72,7 @@
         "process": "^0.11.10",
         "raphael": "2.2.8",
         "react": "^18.2.0",
-        "react-devtools": "^4.27.8",
+        "react-devtools": "^4.28.4",
         "style-loader": "^3.3.1",
         "typescript": "^4.9.4",
         "viz.js": "^2.1.2",
@@ -8520,16 +8520,16 @@
       }
     },
     "node_modules/react-devtools": {
-      "version": "4.27.8",
-      "resolved": "https://registry.npmjs.org/react-devtools/-/react-devtools-4.27.8.tgz",
-      "integrity": "sha512-DeqAofBIZZaEew6lMZStInTukF24CIaMvJ1nwDLWPCbdVHyLDpy4JA7d5AArt97xnE2X7HTKXIFFCMwcannA2A==",
+      "version": "4.28.4",
+      "resolved": "https://registry.npmjs.org/react-devtools/-/react-devtools-4.28.4.tgz",
+      "integrity": "sha512-V6oLo9xmkMPCcFFpXkObp+P/xUGHl3wLHxZBDy/u1eStpBr5s12Nrl1k9LGhuhe1MRNFLUgDtNDJh9qEjowJuQ==",
       "dev": true,
       "dependencies": {
         "cross-spawn": "^5.0.1",
         "electron": "^23.1.2",
         "ip": "^1.1.4",
         "minimist": "^1.2.3",
-        "react-devtools-core": "4.27.8",
+        "react-devtools-core": "4.28.4",
         "update-notifier": "^2.1.0"
       },
       "bin": {
@@ -8537,9 +8537,9 @@
       }
     },
     "node_modules/react-devtools-core": {
-      "version": "4.27.8",
-      "resolved": "https://registry.npmjs.org/react-devtools-core/-/react-devtools-core-4.27.8.tgz",
-      "integrity": "sha512-KwoH8/wN/+m5wTItLnsgVraGNmFrcTWR3k1VimP1HjtMMw4CNF+F5vg4S/0tzTEKIdpCi2R7mPNTC+/dswZMgw==",
+      "version": "4.28.4",
+      "resolved": "https://registry.npmjs.org/react-devtools-core/-/react-devtools-core-4.28.4.tgz",
+      "integrity": "sha512-IUZKLv3CimeM07G3vX4H4loxVpByrzq3HvfTX7v9migalwvLs9ZY5D3S3pKR33U+GguYfBBdMMZyToFhsSE/iQ==",
       "dev": true,
       "dependencies": {
         "shell-quote": "^1.6.1",
@@ -16841,16 +16841,16 @@
       }
     },
     "react-devtools": {
-      "version": "4.27.8",
-      "resolved": "https://registry.npmjs.org/react-devtools/-/react-devtools-4.27.8.tgz",
-      "integrity": "sha512-DeqAofBIZZaEew6lMZStInTukF24CIaMvJ1nwDLWPCbdVHyLDpy4JA7d5AArt97xnE2X7HTKXIFFCMwcannA2A==",
+      "version": "4.28.4",
+      "resolved": "https://registry.npmjs.org/react-devtools/-/react-devtools-4.28.4.tgz",
+      "integrity": "sha512-V6oLo9xmkMPCcFFpXkObp+P/xUGHl3wLHxZBDy/u1eStpBr5s12Nrl1k9LGhuhe1MRNFLUgDtNDJh9qEjowJuQ==",
       "dev": true,
       "requires": {
         "cross-spawn": "^5.0.1",
         "electron": "^23.1.2",
         "ip": "^1.1.4",
         "minimist": "^1.2.3",
-        "react-devtools-core": "4.27.8",
+        "react-devtools-core": "4.28.4",
         "update-notifier": "^2.1.0"
       },
       "dependencies": {
@@ -16899,9 +16899,9 @@
       }
     },
     "react-devtools-core": {
-      "version": "4.27.8",
-      "resolved": "https://registry.npmjs.org/react-devtools-core/-/react-devtools-core-4.27.8.tgz",
-      "integrity": "sha512-KwoH8/wN/+m5wTItLnsgVraGNmFrcTWR3k1VimP1HjtMMw4CNF+F5vg4S/0tzTEKIdpCi2R7mPNTC+/dswZMgw==",
+      "version": "4.28.4",
+      "resolved": "https://registry.npmjs.org/react-devtools-core/-/react-devtools-core-4.28.4.tgz",
+      "integrity": "sha512-IUZKLv3CimeM07G3vX4H4loxVpByrzq3HvfTX7v9migalwvLs9ZY5D3S3pKR33U+GguYfBBdMMZyToFhsSE/iQ==",
       "dev": true,
       "requires": {
         "shell-quote": "^1.6.1",
@@ -17364,7 +17364,7 @@
     "string": {
       "version": "git+ssh://git@github.com/hackmdio/string.js.git#a68176b3d84ce13e19002eb5d052d599873188b8",
       "integrity": "sha512-mzFXH6pmyVoQPXhTnoeL4iXI43OCPLbghXoGISwtaChcvS3AVx5EUpYGT+x1aVgtAbKkjw5zxlG+OYqpozv/CQ==",
-      "from": "string@git+ssh://git@github.com/hackmdio/string.js.git#a68176b3d"
+      "from": "string@https://github.com/hackmdio/string.js.git#a68176b3d84ce13e19002eb5d052d599873188b8"
     },
     "string_decoder": {
       "version": "1.1.1",
diff --git a/package.json b/package.json
index 2e1de11..0788869 100644
--- a/package.json
+++ b/package.json
@@ -328,7 +328,7 @@
     "process": "^0.11.10",
     "raphael": "2.2.8",
     "react": "^18.2.0",
-    "react-devtools": "^4.27.8",
+    "react-devtools": "^4.28.4",
     "style-loader": "^3.3.1",
     "typescript": "^4.9.4",
     "viz.js": "^2.1.2",