diff --git a/package.json b/package.json
index 16b3a241..78bfaa1b 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,8 @@
 		"rrule": "^2.6.8",
 		"rrule-alt": "^2.2.8",
 		"simple-git": "^2.37.0",
-		"socket.io": "^4.0.0"
+		"socket.io": "^4.0.0",
+		"valid-url": "^1.0.9"
 	},
 	"_moduleAliases": {
 		"node_helper": "js/node_helper.js",
diff --git a/yarn.lock b/yarn.lock
index 5bb97e53..a40c2c04 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5258,6 +5258,11 @@ v8-compile-cache@^2.0.3, v8-compile-cache@^2.2.0:
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz#2de19618c66dc247dcfb6f99338035d8245a2cee"
   integrity sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA==
 
+valid-url@^1.0.9:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/valid-url/-/valid-url-1.0.9.tgz#1c14479b40f1397a75782f115e4086447433a200"
+  integrity sha1-HBRHm0DxOXp1eC8RXkCGRHQzogA=
+
 validate-npm-package-license@^3.0.1:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"