diff --git a/doc/groovy/3D.ipynb b/doc/groovy/3D.ipynb
index 0986d01e5e..01690782b1 100644
--- a/doc/groovy/3D.ipynb
+++ b/doc/groovy/3D.ipynb
@@ -68,8 +68,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%classpath config resolver jitpack.io https://jitpack.io\n",
-    "%classpath add mvn com.github.lmitusinski:pythreejs:lmitusinski~demo-SNAPSHOT"
+    "%classpath add mvn com.github.twosigma pythreejs master-SNAPSHOT"
    ]
   },
   {