diff --git a/package-lock.json b/package-lock.json
index 8a7ddbe..6e748c5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "name": "osc-viewer",
       "version": "0.10.0",
       "dependencies": {
-        "@types/cytoscape": "^3.19.9",
+        "@types/cytoscape": "^3.21.4",
         "@vscode/l10n": "^0.0.18",
         "compare-versions": "^5.0.3",
         "cross-fetch": "^4.0.0",
@@ -778,9 +778,9 @@
       "dev": true
     },
     "node_modules/@types/cytoscape": {
-      "version": "3.19.9",
-      "resolved": "https://registry.npmjs.org/@types/cytoscape/-/cytoscape-3.19.9.tgz",
-      "integrity": "sha512-oqCx0ZGiBO0UESbjgq052vjDAy2X53lZpMrWqiweMpvVwKw/2IiYDdzPFK6+f4tMfdv9YKEM9raO5bAZc3UYBg=="
+      "version": "3.21.4",
+      "resolved": "https://registry.npmjs.org/@types/cytoscape/-/cytoscape-3.21.4.tgz",
+      "integrity": "sha512-g4M57Zho+AMNYuEptTWH+aZ5VpyF8VcaI2t0+1/PWRZp5XQM6hku1Vo5/Ui721i+L+WCGkI1EjGAeHcYUQ2PRg=="
     },
     "node_modules/@types/glob": {
       "version": "7.2.0",
@@ -7007,9 +7007,9 @@
       "dev": true
     },
     "@types/cytoscape": {
-      "version": "3.19.9",
-      "resolved": "https://registry.npmjs.org/@types/cytoscape/-/cytoscape-3.19.9.tgz",
-      "integrity": "sha512-oqCx0ZGiBO0UESbjgq052vjDAy2X53lZpMrWqiweMpvVwKw/2IiYDdzPFK6+f4tMfdv9YKEM9raO5bAZc3UYBg=="
+      "version": "3.21.4",
+      "resolved": "https://registry.npmjs.org/@types/cytoscape/-/cytoscape-3.21.4.tgz",
+      "integrity": "sha512-g4M57Zho+AMNYuEptTWH+aZ5VpyF8VcaI2t0+1/PWRZp5XQM6hku1Vo5/Ui721i+L+WCGkI1EjGAeHcYUQ2PRg=="
     },
     "@types/glob": {
       "version": "7.2.0",
diff --git a/package.json b/package.json
index c74a94f..6dac90f 100644
--- a/package.json
+++ b/package.json
@@ -411,7 +411,7 @@
     "vscode-extension-tester": "8.2.0"
   },
   "dependencies": {
-    "@types/cytoscape": "^3.19.9",
+    "@types/cytoscape": "^3.21.4",
     "@vscode/l10n": "^0.0.18",
     "compare-versions": "^5.0.3",
     "cross-fetch": "^4.0.0",