diff --git a/pkgs/development/libraries/c-blosc/2.nix b/pkgs/development/libraries/c-blosc/2.nix
index 93ebcc7d95de..02cf43f7f5d6 100644
--- a/pkgs/development/libraries/c-blosc/2.nix
+++ b/pkgs/development/libraries/c-blosc/2.nix
@@ -14,13 +14,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "c-blosc2";
-  version = "2.21.3";
+  version = "2.22.0";
 
   src = fetchFromGitHub {
     owner = "Blosc";
     repo = "c-blosc2";
     rev = "v${finalAttrs.version}";
-    sha256 = "sha256-jHp3l9sV5SiIOUjY2NUd5G+rH/8wr3TLZ+q/F8TAVhU=";
+    sha256 = "sha256-0eB+8zSlKCuHK1J2HlBUmWEJumAXSV2xnYMvnFud75A=";
   };
 
   # https://github.com/NixOS/nixpkgs/issues/144170
diff --git a/pkgs/development/python-modules/blosc2/default.nix b/pkgs/development/python-modules/blosc2/default.nix
index d62178ee476b..050e881ea0de 100644
--- a/pkgs/development/python-modules/blosc2/default.nix
+++ b/pkgs/development/python-modules/blosc2/default.nix
@@ -32,14 +32,14 @@
 
 buildPythonPackage rec {
   pname = "blosc2";
-  version = "3.7.1";
+  version = "3.11.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Blosc";
     repo = "python-blosc2";
     tag = "v${version}";
-    hash = "sha256-mA7/8i77wtl9b6IT4Wp/uFDYp/IacnPnAsRoXe64+z4=";
+    hash = "sha256-L4NTURGmRlM2ZY11NvP36EoImPu1ncb+CBFCeuCC+eQ=";
   };
 
   nativeBuildInputs = [