2 files changed, 9 insertions, 0 deletions
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index a0be5d7fe..46e67c970 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -4,6 +4,9 @@
         "changes": [
             {
                 "notes": "Updated types for V2 of 0x protocol"
+            },
+            {
+                "note": "Add `ECSignatureBuffer`"
             }
         ]
     },
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 4ad10fdee..9514320da 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -48,6 +48,12 @@ export interface ECSignature {
     s: string;
 }
 
+export interface ECSignatureBuffer {
+    v: number;
+    r: Buffer;
+    s: Buffer;
+}
+
 /**
  * Validator signature components
  */