diff --git a/pkgs/development/python-modules/pcodec/default.nix b/pkgs/development/python-modules/pcodec/default.nix
index 7b4a9c5c11f8..c1bc8b0480b8 100644
--- a/pkgs/development/python-modules/pcodec/default.nix
+++ b/pkgs/development/python-modules/pcodec/default.nix
@@ -10,19 +10,19 @@
 
 buildPythonPackage rec {
   pname = "pcodec";
-  version = "0.4.2";
+  version = "0.4.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pcodec";
     repo = "pcodec";
     tag = "v${version}";
-    hash = "sha256-xWGtTtjMz62LnZDpBtp3HWPW9JgDovObUVSxWM3t1Ng=";
+    hash = "sha256-5NB+PoCS6yGT8N+MD4mdMRRMKCmlQcqdFPTW924UVgU=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit pname version src;
-    hash = "sha256-91p0eoVRzc9S8pHRhAlRey4k4jW9IMttiH+9Joh91IQ=";
+    hash = "sha256-vHADxRV9DOYhUg3IOm1HNk3RHB0/WKluD2PH3Hg8k7s=";
   };
 
   buildAndTestSubdir = "pco_python";