diff --git a/pkgs/by-name/ot/otree/package.nix b/pkgs/by-name/ot/otree/package.nix
index 50731694d28a..4741ac51f266 100644
--- a/pkgs/by-name/ot/otree/package.nix
+++ b/pkgs/by-name/ot/otree/package.nix
@@ -6,16 +6,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "otree";
-  version = "0.6.3";
+  version = "0.6.4";
 
   src = fetchFromGitHub {
     owner = "fioncat";
     repo = "otree";
     tag = "v${version}";
-    hash = "sha256-l2hU1a2yfXo8u8wjSmvzL+nzniMQFKvdBhQ0eqqG3tg=";
+    hash = "sha256-7Yv8krhtA+YAbJmF/bxgWb6NZBzg/fubxkzDEeOw4xU=";
   };
 
-  cargoHash = "sha256-UyomqesHDaGDEBHVcQMwUI7kH8akOOuyXOL/r4gfiAo=";
+  cargoHash = "sha256-Op0IIH1whnBWP5Z5LLygdiWpysC/JZJEKX6OLHQAsWo=";
 
   meta = {
     description = "Command line tool to view objects (JSON/YAML/TOML/XML) in TUI tree widget";