diff --git a/.changeset/warm-rocks-rest.md b/.changeset/warm-rocks-rest.md
new file mode 100644
index 000000000..c50bfb056
--- /dev/null
+++ b/.changeset/warm-rocks-rest.md
@@ -0,0 +1,5 @@
+---
+"victory-legend": patch
+---
+
+Add missing size property to TS definitions
diff --git a/packages/victory-legend/src/index.d.ts b/packages/victory-legend/src/index.d.ts
index c36eefdf4..66f048a88 100644
--- a/packages/victory-legend/src/index.d.ts
+++ b/packages/victory-legend/src/index.d.ts
@@ -31,6 +31,7 @@ export interface VictoryLegendProps
     };
     symbol?: {
       fill?: string;
+      size?: number;
       type?: string;
     };
   }>;