diff --git a/wormhole_attester/Cargo.lock b/wormhole_attester/Cargo.lock
index 5af54dd94a..a187bf46e2 100644
--- a/wormhole_attester/Cargo.lock
+++ b/wormhole_attester/Cargo.lock
@@ -2699,7 +2699,7 @@ dependencies = [
 
 [[package]]
 name = "pyth-wormhole-attester-client"
-version = "3.0.0"
+version = "4.0.0"
 dependencies = [
  "borsh",
  "clap 3.1.18",
diff --git a/wormhole_attester/client/Cargo.toml b/wormhole_attester/client/Cargo.toml
index 396d855b59..a9912f8916 100644
--- a/wormhole_attester/client/Cargo.toml
+++ b/wormhole_attester/client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyth-wormhole-attester-client"
-version = "3.0.0"
+version = "4.0.0"
 edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html