diff --git a/pkgs/by-name/iv/ivy/package.nix b/pkgs/by-name/iv/ivy/package.nix
index fa6007cec1e3..647c87ee7250 100644
--- a/pkgs/by-name/iv/ivy/package.nix
+++ b/pkgs/by-name/iv/ivy/package.nix
@@ -6,13 +6,13 @@
 
 buildGoModule rec {
   pname = "ivy";
-  version = "0.3.4";
+  version = "0.4.0";
 
   src = fetchFromGitHub {
     rev = "v${version}";
     owner = "robpike";
     repo = "ivy";
-    hash = "sha256-/Q929ZXv3F6MZ+FdWKfbThNDT3JpvQw7WLGnbmitdOg=";
+    hash = "sha256-O+CQUS2EYPnRf8AbL2arhF7m5vhPUnDFXJsYst9/Eqg=";
   };
 
   vendorHash = null;