diff --git a/package-lock.json b/package-lock.json
index b43b1d9..fa3480c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.11",
       "license": "Apache-2.0",
       "dependencies": {
-        "dragselect": "^3.0.4"
+        "dragselect": "^2.7.4"
       },
       "devDependencies": {
         "@blockly/dev-scripts": "^3.1.1",
@@ -1847,9 +1847,9 @@
       ]
     },
     "node_modules/chai": {
-      "version": "4.3.10",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.10.tgz",
-      "integrity": "sha512-0UXG04VuVbruMUYbJ6JctvH0YnC/4q3/AkT18q4NaITo91CUm0liMS9VqzT9vZhVQ/1eqPanMWjBM+Juhfb/9g==",
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.4.0.tgz",
+      "integrity": "sha512-x9cHNq1uvkCdU+5xTkNh5WtgD4e4yDFCsp9jVc7N7qVeKeftv3gO/ZrviX5d+3ZfxdYnZXZYujjRInu1RogU6A==",
       "dev": true,
       "dependencies": {
         "assertion-error": "^1.1.0",
@@ -2364,9 +2364,9 @@
       }
     },
     "node_modules/dragselect": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/dragselect/-/dragselect-3.0.4.tgz",
-      "integrity": "sha512-LkGjPpkBGsIFyM9UsOM0wkMhUHuwhlHCDouufy2Zyroghhoj0RHSXnl78imvDWdlvFUk3Q5SXTXh0HfAC/NMrw=="
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/dragselect/-/dragselect-2.7.4.tgz",
+      "integrity": "sha512-j0qFl4xvsyImlSTn9erDCCT4SSPUMssgKAYuKqhsPr8WPphLghHfjDd4WR2jLjL91fTQQlbbIJ/7T2qwD2hghQ=="
     },
     "node_modules/ee-first": {
       "version": "1.1.1",
diff --git a/package.json b/package.json
index 7fdd219..96a066a 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "src"
   ],
   "dependencies": {
-    "dragselect": "^3.0.4"
+    "dragselect": "^2.7.4"
   },
   "devDependencies": {
     "@blockly/dev-scripts": "^3.1.1",
diff --git a/src/multiselect_controls.js b/src/multiselect_controls.js
index 9f7f26f..9e5d873 100644
--- a/src/multiselect_controls.js
+++ b/src/multiselect_controls.js
@@ -399,7 +399,7 @@ export class MultiselectControls {
       return {select, unselect};
     };
 
-    this.dragSelect_.subscribe('DS:select', (info) => {
+    this.dragSelect_.subscribe('elementselect', (info) => {
       const element = info.item.parentElement;
       if (inMultipleSelectionModeWeakMap.get(this.workspace_) &&
           element && element.dataset && element.dataset.id) {
@@ -407,7 +407,7 @@ export class MultiselectControls {
             this.workspace_.getBlockById(element.dataset.id));
       }
     });
-    this.dragSelect_.subscribe('DS:unselect', (info) => {
+    this.dragSelect_.subscribe('elementunselect', (info) => {
       const element = info.item.parentElement;
       if (inMultipleSelectionModeWeakMap.get(this.workspace_) &&
           element && element.dataset && element.dataset.id) {