diff --git a/viewer/package.json b/viewer/package.json
index 824c4b455e8..79040fc54da 100644
--- a/viewer/package.json
+++ b/viewer/package.json
@@ -98,7 +98,7 @@
     "@types/three": "^0.166.0",
     "@typescript-eslint/eslint-plugin": "^7.7.1",
     "@typescript-eslint/parser": "^7.7.1",
-    "concurrently": "^8.2.2",
+    "concurrently": "^9.0.0",
     "cross-env": "^7.0.3",
     "dat.gui": "^0.7.9",
     "eslint": "^8.57.0",
diff --git a/viewer/yarn.lock b/viewer/yarn.lock
index f797d42a3fe..5f9ddcf5923 100644
--- a/viewer/yarn.lock
+++ b/viewer/yarn.lock
@@ -386,15 +386,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/runtime@npm:^7.21.0":
-  version: 7.22.5
-  resolution: "@babel/runtime@npm:7.22.5"
-  dependencies:
-    regenerator-runtime: "npm:^0.13.11"
-  checksum: 10/994898ec8e3c23d941899444bf4b18c61be9c26a12b0e4649d53d72cb6ecce5af2b9db1f405b2f63abb25633def3f8538fe9d0963ae65cf7d47ca3232032e63d
-  languageName: node
-  linkType: hard
-
 "@babel/template@npm:^7.22.15, @babel/template@npm:^7.22.5, @babel/template@npm:^7.3.3":
   version: 7.22.15
   resolution: "@babel/template@npm:7.22.15"
@@ -480,7 +471,7 @@ __metadata:
     "@typescript-eslint/parser": "npm:^7.7.1"
     assert: "npm:^2.1.0"
     async-mutex: "npm:^0.5.0"
-    concurrently: "npm:^8.2.2"
+    concurrently: "npm:^9.0.0"
     cross-env: "npm:^7.0.3"
     dat.gui: "npm:^0.7.9"
     eslint: "npm:^8.57.0"
@@ -3232,17 +3223,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"call-bind@npm:^1.0.0, call-bind@npm:^1.0.2":
-  version: 1.0.2
-  resolution: "call-bind@npm:1.0.2"
-  dependencies:
-    function-bind: "npm:^1.1.1"
-    get-intrinsic: "npm:^1.0.2"
-  checksum: 10/ca787179c1cbe09e1697b56ad499fd05dc0ae6febe5081d728176ade699ea6b1589240cb1ff1fe11fcf9f61538c1af60ad37e8eb2ceb4ef21cd6085dfd3ccedd
-  languageName: node
-  linkType: hard
-
-"call-bind@npm:^1.0.7":
+"call-bind@npm:^1.0.0, call-bind@npm:^1.0.2, call-bind@npm:^1.0.7":
   version: 1.0.7
   resolution: "call-bind@npm:1.0.7"
   dependencies:
@@ -3573,23 +3554,21 @@ __metadata:
   languageName: node
   linkType: hard
 
-"concurrently@npm:^8.2.2":
-  version: 8.2.2
-  resolution: "concurrently@npm:8.2.2"
+"concurrently@npm:^9.0.0":
+  version: 9.0.1
+  resolution: "concurrently@npm:9.0.1"
   dependencies:
     chalk: "npm:^4.1.2"
-    date-fns: "npm:^2.30.0"
     lodash: "npm:^4.17.21"
     rxjs: "npm:^7.8.1"
     shell-quote: "npm:^1.8.1"
-    spawn-command: "npm:0.0.2"
     supports-color: "npm:^8.1.1"
     tree-kill: "npm:^1.2.2"
     yargs: "npm:^17.7.2"
   bin:
     conc: dist/bin/concurrently.js
     concurrently: dist/bin/concurrently.js
-  checksum: 10/dcb1aa69d9c611a7bda9d4fc0fe1e388f971d1744acec7e0d52dffa2ef55743f1266ec9292f414c5789b9f61734b3fce772bd005d4de9564a949fb121b97bae1
+  checksum: 10/aae80b641c61a46dbb8831b79c81506f1c0b95a438c408e6b36d9aa84eb453c4126c608e58e8ed57049e068a5d868d16645475e15b9bb7902d684cd0e0bd1b34
   languageName: node
   linkType: hard
 
@@ -3856,15 +3835,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"date-fns@npm:^2.30.0":
-  version: 2.30.0
-  resolution: "date-fns@npm:2.30.0"
-  dependencies:
-    "@babel/runtime": "npm:^7.21.0"
-  checksum: 10/70b3e8ea7aaaaeaa2cd80bd889622a4bcb5d8028b4de9162cbcda359db06e16ff6e9309e54eead5341e71031818497f19aaf9839c87d1aba1e27bb4796e758a9
-  languageName: node
-  linkType: hard
-
 "debug@npm:2.6.9":
   version: 2.6.9
   resolution: "debug@npm:2.6.9"
@@ -5055,17 +5025,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"follow-redirects@npm:^1.0.0, follow-redirects@npm:^1.14.8":
-  version: 1.15.6
-  resolution: "follow-redirects@npm:1.15.6"
-  peerDependenciesMeta:
-    debug:
-      optional: true
-  checksum: 10/70c7612c4cab18e546e36b991bbf8009a1a41cf85354afe04b113d1117569abf760269409cb3eb842d9f7b03d62826687086b081c566ea7b1e6613cf29030bf7
-  languageName: node
-  linkType: hard
-
-"follow-redirects@npm:^1.15.6":
+"follow-redirects@npm:^1.0.0, follow-redirects@npm:^1.14.8, follow-redirects@npm:^1.15.6":
   version: 1.15.9
   resolution: "follow-redirects@npm:1.15.9"
   peerDependenciesMeta:
@@ -5235,18 +5195,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"get-intrinsic@npm:^1.0.2, get-intrinsic@npm:^1.1.0, get-intrinsic@npm:^1.1.1":
-  version: 1.1.1
-  resolution: "get-intrinsic@npm:1.1.1"
-  dependencies:
-    function-bind: "npm:^1.1.1"
-    has: "npm:^1.0.3"
-    has-symbols: "npm:^1.0.1"
-  checksum: 10/7143f5407b000473f4b62717a79628dc151aa622eadac682da0ea3d377fc45839b3ea203d0956d72f6cc8c1f6ae0dcd47fb4bd970647ba5234f9e11679f86cb5
-  languageName: node
-  linkType: hard
-
-"get-intrinsic@npm:^1.1.3, get-intrinsic@npm:^1.2.4":
+"get-intrinsic@npm:^1.1.0, get-intrinsic@npm:^1.1.1, get-intrinsic@npm:^1.1.3, get-intrinsic@npm:^1.2.4":
   version: 1.2.4
   resolution: "get-intrinsic@npm:1.2.4"
   dependencies:
@@ -5678,16 +5627,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"has-property-descriptors@npm:^1.0.0":
-  version: 1.0.0
-  resolution: "has-property-descriptors@npm:1.0.0"
-  dependencies:
-    get-intrinsic: "npm:^1.1.1"
-  checksum: 10/a6d3f0a266d0294d972e354782e872e2fe1b6495b321e6ef678c9b7a06a40408a6891817350c62e752adced73a94ac903c54734fee05bf65b1905ee1368194bb
-  languageName: node
-  linkType: hard
-
-"has-property-descriptors@npm:^1.0.2":
+"has-property-descriptors@npm:^1.0.0, has-property-descriptors@npm:^1.0.2":
   version: 1.0.2
   resolution: "has-property-descriptors@npm:1.0.2"
   dependencies:
@@ -5703,7 +5643,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"has-symbols@npm:^1.0.1, has-symbols@npm:^1.0.2, has-symbols@npm:^1.0.3":
+"has-symbols@npm:^1.0.2, has-symbols@npm:^1.0.3":
   version: 1.0.3
   resolution: "has-symbols@npm:1.0.3"
   checksum: 10/464f97a8202a7690dadd026e6d73b1ceeddd60fe6acfd06151106f050303eaa75855aaa94969df8015c11ff7c505f196114d22f7386b4a471038da5874cf5e9b
@@ -8186,14 +8126,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"object-inspect@npm:^1.11.0, object-inspect@npm:^1.9.0":
-  version: 1.11.0
-  resolution: "object-inspect@npm:1.11.0"
-  checksum: 10/3e997433a2843340c126ad7ee76b1d251cf138a2208aa62cacd6375468585b3ca17d6a823209f9c87639096f27c6d504297588bb738c13b70ccfc0c7c69c2bb0
-  languageName: node
-  linkType: hard
-
-"object-inspect@npm:^1.13.1":
+"object-inspect@npm:^1.11.0, object-inspect@npm:^1.13.1":
   version: 1.13.2
   resolution: "object-inspect@npm:1.13.2"
   checksum: 10/7ef65583b6397570a17c56f0c1841e0920e83900f2c94638927abb7b81ac08a19c7aae135bd9dcca96208cac0c7332b4650fb927f027b0cf92d71df2990d0561
@@ -9082,13 +9015,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"regenerator-runtime@npm:^0.13.11":
-  version: 0.13.11
-  resolution: "regenerator-runtime@npm:0.13.11"
-  checksum: 10/d493e9e118abef5b099c78170834f18540c4933cedf9bfabc32d3af94abfb59a7907bd7950259cbab0a929ebca7db77301e8024e5121e6482a82f78283dfd20c
-  languageName: node
-  linkType: hard
-
 "relateurl@npm:^0.2.7":
   version: 0.2.7
   resolution: "relateurl@npm:0.2.7"
@@ -9620,18 +9546,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"side-channel@npm:^1.0.4":
-  version: 1.0.4
-  resolution: "side-channel@npm:1.0.4"
-  dependencies:
-    call-bind: "npm:^1.0.0"
-    get-intrinsic: "npm:^1.0.2"
-    object-inspect: "npm:^1.9.0"
-  checksum: 10/c4998d9fc530b0e75a7fd791ad868fdc42846f072734f9080ff55cc8dc7d3899abcda24fd896aa6648c3ab7021b4bb478073eb4f44dfd55bce9714bc1a7c5d45
-  languageName: node
-  linkType: hard
-
-"side-channel@npm:^1.0.6":
+"side-channel@npm:^1.0.4, side-channel@npm:^1.0.6":
   version: 1.0.6
   resolution: "side-channel@npm:1.0.6"
   dependencies:
@@ -9785,13 +9700,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"spawn-command@npm:0.0.2":
-  version: 0.0.2
-  resolution: "spawn-command@npm:0.0.2"
-  checksum: 10/f13e8c3c63abd4a0b52fb567eba5f7940d480c5ed3ec61781d38a1850f179b1196c39e6efa2bbd301f82c1bf1cd7807abc8fbd8fc8e44bcaa3975a124c0d1657
-  languageName: node
-  linkType: hard
-
 "spawnd@npm:^10.0.0":
   version: 10.0.0
   resolution: "spawnd@npm:10.0.0"