diff --git a/lunar-phase-simulator/package-lock.json b/lunar-phase-simulator/package-lock.json
index f1fe3c826..ee930a789 100644
--- a/lunar-phase-simulator/package-lock.json
+++ b/lunar-phase-simulator/package-lock.json
@@ -15,7 +15,7 @@
         "react": "^19.1.0",
         "react-dom": "^19.1.0",
         "react-range-step-input": "github:ccnmtl/react-range-step-input",
-        "three": "~0.166.1"
+        "three": "~0.181.1"
       },
       "devDependencies": {
         "@babel/core": "^7.5.5",
@@ -12604,9 +12604,10 @@
       }
     },
     "node_modules/three": {
-      "version": "0.166.1",
-      "resolved": "https://registry.npmjs.org/three/-/three-0.166.1.tgz",
-      "integrity": "sha512-LtuafkKHHzm61AQA1be2MAYIw1IjmhOUxhBa0prrLpEMWbV7ijvxCRHjSgHPGp2493wLBzwKV46tA9nivLEgKg=="
+      "version": "0.181.1",
+      "resolved": "https://registry.npmjs.org/three/-/three-0.181.1.tgz",
+      "integrity": "sha512-bz9xZUQMw3pJbjKy7roiwXWgAp+oVUa+4k5o0oBAQ+IFJuru1xzvtk63h6k72XZanXS/SgoEhV6927Vgazyq2w==",
+      "license": "MIT"
     },
     "node_modules/thunky": {
       "version": "1.1.0",
diff --git a/lunar-phase-simulator/package.json b/lunar-phase-simulator/package.json
index 50747ca6c..25e31de51 100644
--- a/lunar-phase-simulator/package.json
+++ b/lunar-phase-simulator/package.json
@@ -31,7 +31,7 @@
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-range-step-input": "github:ccnmtl/react-range-step-input",
-    "three": "~0.166.1"
+    "three": "~0.181.1"
   },
   "devDependencies": {
     "@babel/core": "^7.5.5",