diff --git a/js/version.js b/js/version.js
index 0a55d28..98bdf7d 100644
--- a/js/version.js
+++ b/js/version.js
@@ -1,4 +1,4 @@
-const _version = "2.1.0"
+const _version = "2.1.1"
 function version() {
     return _version;
 }
diff --git a/package.json b/package.json
index bffb722..ad455de 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/igvteam/igv-webapp#readme",
   "devDependencies": {
     "fs-extra": "^8.1.0",
-    "igv": "github:igvteam/igv.js",
+    "igv": "^3.1.1",
     "data-modal": "github:igvteam/data-modal#v1.6.1",
     "igv-utils": "github:igvteam/igv-utils#v1.5.8",
     "google-utils": "github:igvteam/google-utils#v1.0.2",