diff --git a/pkgs/development/python-modules/r2pipe/default.nix b/pkgs/development/python-modules/r2pipe/default.nix
index fb767e5c4685..1d7b4e95e854 100644
--- a/pkgs/development/python-modules/r2pipe/default.nix
+++ b/pkgs/development/python-modules/r2pipe/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "r2pipe";
-  version = "1.6.2";
+  version = "1.6.4";
 
   postPatch = let
     r2lib = "${lib.getOutput "lib" radare2}/lib";
@@ -27,7 +27,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "088e1a0778f8021af90b9458c9b706ae3d303a3e6a5064e1ca25d4fd737dc3c7";
+    sha256 = "a79877781b8e8e9bd5612faebd3991d75d7189f2941021d2adea9b4b4c5b9b7b";
   };
 
   # Tiny sanity check to make sure r2pipe finds radare2 (since r2pipe doesn't