diff --git a/ember/package.json b/ember/package.json
index a35f76f46..318f5d439 100644
--- a/ember/package.json
+++ b/ember/package.json
@@ -20,7 +20,7 @@
   "dependencies": {
     "cesium": "1.74.0",
     "ol": "5.3.3",
-    "olcs": "2.12.0",
+    "olcs": "2.19.3",
     "remarkable": "2.0.1",
     "screenfull": "5.1.0"
   },
diff --git a/ember/yarn.lock b/ember/yarn.lock
index df04d5f8a..5b7d2e641 100644
--- a/ember/yarn.lock
+++ b/ember/yarn.lock
@@ -11717,10 +11717,10 @@ ol@5.3.3:
     pixelworks "1.1.0"
     rbush "2.0.2"
 
-olcs@2.12.0:
-  version "2.12.0"
-  resolved "https://registry.yarnpkg.com/olcs/-/olcs-2.12.0.tgz#481031d9a47b8473aa7a36194f3c166cded79862"
-  integrity sha512-1aED3kk33OeGQh3uvTEAHdRBWXrGLb8kFT+UdmHEkHYttPLsvHpVvz/GSndj32e2MtNcCM/IjGus4fVxpNOczA==
+olcs@2.19.3:
+  version "2.19.3"
+  resolved "https://registry.yarnpkg.com/olcs/-/olcs-2.19.3.tgz#413657f53d6b025c5666fac3dfa39b8454d80287"
+  integrity sha512-FBnebiCl6LMo5/eX4bW879x2uIidLiSTChmgFe+qe51KjSi8Jlpnzk4ngMREGQKckvtH3UfsxJWVP0qW7/BG4A==
 
 on-finished@~2.3.0:
   version "2.3.0"