diff --git a/types/force-graph/force-graph-tests.ts b/types/force-graph/force-graph-tests.ts
index d128fb813d..37674b5fb7 100644
--- a/types/force-graph/force-graph-tests.ts
+++ b/types/force-graph/force-graph-tests.ts
@@ -32,9 +32,8 @@ graph
     .linkAutoColorBy((link) => link.type)
     .linkWidth(1)
     .linkWidth((link) => 1)
-    .linkCurvature(ForceGraph.LinkCurvatureType.Straight)
     .linkCurvature('curvature')
-    .linkCurvature((link) => ForceGraph.LinkCurvatureType.Straight)
+    .linkCurvature((link) => 0.5)
     .linkCanvasObject((link, ctx, scale) => {})
     .linkDirectionalArrowLength(0)
     .linkDirectionalArrowLength('length')
diff --git a/types/force-graph/index.d.ts b/types/force-graph/index.d.ts
index 6ed52ad923..063aa12161 100644
--- a/types/force-graph/index.d.ts
+++ b/types/force-graph/index.d.ts
@@ -1,6 +1,7 @@
-// Type definitions for force-graph 1.15
+// Type definitions for force-graph 1.21
 // Project: https://github.com/vasturiano/force-graph
 // Definitions by: Peter Kimberley <https://github.com/p-kimberley>
+//                 Noah Santschi-Cooney <https://github.com/Strum355>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 declare function ForceGraph(): ForceGraph.ForceGraphInstance;
@@ -16,12 +17,12 @@ declare namespace ForceGraph {
     }
 
     interface GraphEntity {
-        id: string;
+        id?: string;
     }
 
     interface GraphNode extends GraphEntity {
-        name: string;
-        val: any;
+        name?: string;
+        val?: any;
     }
 
     interface GraphNodeObject extends GraphNode {
@@ -41,15 +42,6 @@ declare namespace ForceGraph {
         target: GraphNode;
     }
 
-    /**
-     * Enums
-     */
-
-    enum LinkCurvatureType {
-        Straight = 0,
-        HalfLineLength = 1
-    }
-
     /**
      * Types
      */
@@ -107,7 +99,7 @@ declare namespace ForceGraph {
         linkColor(color?: string | LinkAccessorFn<string>): ForceGraphInstance & (string | LinkAccessorFn<string>);
         linkAutoColorBy(attribute?: string | LinkAccessorFn<string>): ForceGraphInstance & (string | LinkAccessorFn<string>);
         linkWidth(width?: number | string | LinkAccessorFn<number>): ForceGraphInstance & (number | string | LinkAccessorFn<number>);
-        linkCurvature(curvature?: LinkCurvatureType | string | LinkAccessorFn<LinkCurvatureType>): ForceGraphInstance;
+        linkCurvature(curvature?: number | string | LinkAccessorFn<number>): ForceGraphInstance;
         linkCanvasObject(callback?: LinkCanvasCallbackFn): ForceGraphInstance & LinkCanvasCallbackFn;
         linkDirectionalArrowLength(length?: number | string | LinkAccessorFn<number>): ForceGraphInstance & (number | string | LinkAccessorFn<number>);
         linkDirectionalArrowColor(color?: string | LinkAccessorFn<string>): ForceGraphInstance & (string | LinkAccessorFn<string>);