diff --git a/.changeset/sour-cougars-draw.md b/.changeset/sour-cougars-draw.md
new file mode 100644
index 0000000000..29c902d9c4
--- /dev/null
+++ b/.changeset/sour-cougars-draw.md
@@ -0,0 +1,5 @@
+---
+"@khanacademy/perseus": patch
+---
+
+[Interactive Graph: Circle] Add a key prop to the circle drag handle
diff --git a/packages/perseus/src/widgets/interactive-graphs/graphs/circle.tsx b/packages/perseus/src/widgets/interactive-graphs/graphs/circle.tsx
index ab49ae0bac..8afbbd671d 100644
--- a/packages/perseus/src/widgets/interactive-graphs/graphs/circle.tsx
+++ b/packages/perseus/src/widgets/interactive-graphs/graphs/circle.tsx
@@ -108,6 +108,7 @@ function DragHandle(props: {center: [x: number, y: number]}) {
                 const [xPx, yPx] = vec.add(offsetPx, centerPx);
                 return (
                     <circle
+                        key={`circle-${xPx}-${yPx}`}
                         className="movable-circle-handle-dot"
                         cx={xPx}
                         cy={yPx}