diff --git a/content/videos/challenges/180-falling-sand/showcase/contribution-1737847017.json b/content/videos/challenges/180-falling-sand/showcase/contribution-1737847017.json
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+{
+  "title": "Falling sand simulation with mass conservation",
+  "author": {
+    "name": "Sergey Alyaev",
+    "url": "https://github.com/alin256"
+  },
+  "url": "https://youtu.be/gXEMOfhFDVk",
+  "submittedOn": "2025-01-25T23:16:57.725Z",
+  "socialPermission": true
+}
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