diff --git a/pkgs/development/libraries/c-blosc/2.nix b/pkgs/development/libraries/c-blosc/2.nix
index ce19cd23e43b..30fb46eca233 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 = "2.18.0";
+  version = "2.19.0";
 
   src = fetchFromGitHub {
     owner = "Blosc";
     repo = "c-blosc2";
     rev = "v${finalAttrs.version}";
-    sha256 = "sha256-HYWohyI4IJX4jyTTwbSHJFI3p3PFrUGU6l0TEIP4Esc=";
+    sha256 = "sha256-KfuZKeWri1REV8gxtyoM/ksUcfrDnz/UrIbm2gb7EcE=";
   };
 
   # https://github.com/NixOS/nixpkgs/issues/144170