diff --git a/pkgs/development/python-modules/pcodec/default.nix b/pkgs/development/python-modules/pcodec/default.nix
index bb36f4c92053..427481bb72b5 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 = "0.4.7";
+  version = "0.4.9";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pcodec";
     repo = "pcodec";
     tag = "v${version}";
-    hash = "sha256-B96kMozVXLoLv0xP2o5IkI+d+4j0wIy4G4VruFS9b6M=";
+    hash = "sha256-XwK2cLd+SQmo/p7w/MmRh/EajQiN4rv/EMjTBH0EeXs=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit pname version src;
-    hash = "sha256-N1KOCZKpz+7yzCefv8AUk1kEmpct//mVCp7a8EW02oA=";
+    hash = "sha256-R2iVlw2ricCBbHCthttX2RX7+j7AEKeN6h08nZvOxSQ=";
   };
 
   buildAndTestSubdir = "pco_python";