diff --git a/package.json b/package.json
index ab036afc..75510ab8 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
         "@babel/core": "^7.22.1",
         "@blueprintjs/core": "^4.19.5",
         "@blueprintjs/popover2": "^1.14.7",
-        "@blueprintjs/select": "^4.9.20",
+        "@blueprintjs/select": "^4.9.21",
         "@pmmmwh/react-refresh-webpack-plugin": "^0.5.10",
         "@pybricks/firmware": "7.4.0",
         "@pybricks/ide-docs": "2.9.0",
diff --git a/yarn.lock b/yarn.lock
index 1d1c5d71..b70f6875 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1563,6 +1563,35 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@blueprintjs/core@npm:^4.20.0":
+  version: 4.20.0
+  resolution: "@blueprintjs/core@npm:4.20.0"
+  dependencies:
+    "@blueprintjs/colors": ^4.2.1
+    "@blueprintjs/icons": ^4.16.0
+    "@juggle/resize-observer": ^3.4.0
+    "@types/dom4": ^2.0.2
+    classnames: ^2.3.1
+    dom4: ^2.1.5
+    normalize.css: ^8.0.1
+    popper.js: ^1.16.1
+    react-popper: ^1.3.11
+    react-transition-group: ^4.4.5
+    tslib: ~2.5.0
+  peerDependencies:
+    "@types/react": ^16.14.32 || 17 || 18
+    react: ^16.8 || 17 || 18
+    react-dom: ^16.8 || 17 || 18
+  peerDependenciesMeta:
+    "@types/react":
+      optional: true
+  bin:
+    upgrade-blueprint-2.0.0-rename: scripts/upgrade-blueprint-2.0.0-rename.sh
+    upgrade-blueprint-3.0.0-rename: scripts/upgrade-blueprint-3.0.0-rename.sh
+  checksum: 38c8a39d985f403a6b4b4991cc8df5716debc9ddf1d13b501647910da65dee7508f462f1999a7fd1c98141cbc326115d717aa77018eb67c58fc3d876d72fda02
+  languageName: node
+  linkType: hard
+
 "@blueprintjs/icons@npm:^4.16.0":
   version: 4.16.0
   resolution: "@blueprintjs/icons@npm:4.16.0"
@@ -1596,12 +1625,34 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@blueprintjs/select@npm:^4.9.20":
-  version: 4.9.20
-  resolution: "@blueprintjs/select@npm:4.9.20"
+"@blueprintjs/popover2@npm:^1.14.8":
+  version: 1.14.8
+  resolution: "@blueprintjs/popover2@npm:1.14.8"
   dependencies:
-    "@blueprintjs/core": ^4.19.5
-    "@blueprintjs/popover2": ^1.14.7
+    "@blueprintjs/core": ^4.20.0
+    "@juggle/resize-observer": ^3.4.0
+    "@popperjs/core": ^2.11.7
+    classnames: ^2.3.1
+    dom4: ^2.1.5
+    react-popper: ^2.3.0
+    tslib: ~2.5.0
+  peerDependencies:
+    "@types/react": ^16.14.32 || 17 || 18
+    react: ^16.8 || 17 || 18
+    react-dom: ^16.8 || 17 || 18
+  peerDependenciesMeta:
+    "@types/react":
+      optional: true
+  checksum: 3743417680d66791dd79d45ad4d2b56821f02cf6a48f25d3dec48077711e56fda7bb21efce63a1dca16119ca42ccaaf78242c1ae65656c7c6da8ce34121223c1
+  languageName: node
+  linkType: hard
+
+"@blueprintjs/select@npm:^4.9.21":
+  version: 4.9.21
+  resolution: "@blueprintjs/select@npm:4.9.21"
+  dependencies:
+    "@blueprintjs/core": ^4.20.0
+    "@blueprintjs/popover2": ^1.14.8
     classnames: ^2.3.1
     tslib: ~2.5.0
   peerDependencies:
@@ -1611,7 +1662,7 @@ __metadata:
   peerDependenciesMeta:
     "@types/react":
       optional: true
-  checksum: 3e4e7bf663405f44d6e613de8de46f0c151ad9acef5cca1d5e1ae12b5e7f1f48d17cb5b3fa0bb97d89efbd447aa81e8028f0b87175683d28bc63b4a349815ad1
+  checksum: 8debd8acbff3310c47e4310afdb7fbdda884e0631468a23b63335bd71e96afdfbe4216459823d93fe6bd18dca025e46688929c80fd2e89ac5c32c82317aafb36
   languageName: node
   linkType: hard
 
@@ -2646,7 +2697,7 @@ __metadata:
     "@babel/core": ^7.22.1
     "@blueprintjs/core": ^4.19.5
     "@blueprintjs/popover2": ^1.14.7
-    "@blueprintjs/select": ^4.9.20
+    "@blueprintjs/select": ^4.9.21
     "@pmmmwh/react-refresh-webpack-plugin": ^0.5.10
     "@pybricks/firmware": 7.4.0
     "@pybricks/ide-docs": 2.9.0