diff --git a/ed/package-lock.json b/ed/package-lock.json
index 40d9fc2e..0f56ebf0 100644
--- a/ed/package-lock.json
+++ b/ed/package-lock.json
@@ -14,7 +14,7 @@
         "ngdraggable": "^0.1.10",
         "robot-api": "^1.0.0",
         "roslib": "^1.3.0",
-        "three": "^0.155.0"
+        "three": "^0.156.1"
       },
       "devDependencies": {
         "clean-webpack-plugin": "^4.0.0",
@@ -8039,9 +8039,9 @@
       "dev": true
     },
     "node_modules/three": {
-      "version": "0.155.0",
-      "resolved": "https://registry.npmjs.org/three/-/three-0.155.0.tgz",
-      "integrity": "sha512-sNgCYmDijnIqkD/bMfk+1pHg3YzsxW7V2ChpuP6HCQ8NiZr3RufsXQr8M3SSUMjW4hG+sUk7YbyuY0DncaDTJQ=="
+      "version": "0.156.1",
+      "resolved": "https://registry.npmjs.org/three/-/three-0.156.1.tgz",
+      "integrity": "sha512-kP7H0FK9d/k6t/XvQ9FO6i+QrePoDcNhwl0I02+wmUJRNSLCUIDMcfObnzQvxb37/0Uc9TDT0T1HgsRRrO6SYQ=="
     },
     "node_modules/through2": {
       "version": "2.0.5",
@@ -15718,9 +15718,9 @@
       "dev": true
     },
     "three": {
-      "version": "0.155.0",
-      "resolved": "https://registry.npmjs.org/three/-/three-0.155.0.tgz",
-      "integrity": "sha512-sNgCYmDijnIqkD/bMfk+1pHg3YzsxW7V2ChpuP6HCQ8NiZr3RufsXQr8M3SSUMjW4hG+sUk7YbyuY0DncaDTJQ=="
+      "version": "0.156.1",
+      "resolved": "https://registry.npmjs.org/three/-/three-0.156.1.tgz",
+      "integrity": "sha512-kP7H0FK9d/k6t/XvQ9FO6i+QrePoDcNhwl0I02+wmUJRNSLCUIDMcfObnzQvxb37/0Uc9TDT0T1HgsRRrO6SYQ=="
     },
     "through2": {
       "version": "2.0.5",
diff --git a/ed/package.json b/ed/package.json
index 555a20d6..a239815c 100644
--- a/ed/package.json
+++ b/ed/package.json
@@ -17,7 +17,7 @@
     "ngdraggable": "^0.1.10",
     "robot-api": "^1.0.0",
     "roslib": "^1.3.0",
-    "three": "^0.155.0"
+    "three": "^0.156.1"
   },
   "devDependencies": {
     "clean-webpack-plugin": "^4.0.0",