diff --git a/pkgs/tools/networking/curl/default.nix b/pkgs/tools/networking/curl/default.nix
index a5abbc26a741..c3ca81c7c66a 100644
--- a/pkgs/tools/networking/curl/default.nix
+++ b/pkgs/tools/networking/curl/default.nix
@@ -43,14 +43,14 @@ assert gssSupport -> libkrb5 != null;
 
 stdenv.mkDerivation rec {
   pname = "curl";
-  version = "7.80.0";
+  version = "7.81.0";
 
   src = fetchurl {
     urls = [
       "https://curl.haxx.se/download/${pname}-${version}.tar.bz2"
       "https://github.com/curl/curl/releases/download/${lib.replaceStrings ["."] ["_"] pname}-${version}/${pname}-${version}.tar.bz2"
     ];
-    sha256 = "170qb2w2p5fga0vqhhnzi417z4h4vy764sz16pzhm5fd9471a3fx";
+    sha256 = "sha256-Hno41wGOwGDx8W34OYVPCInpThIsTPpdOjfC3Fbx4lg=";
   };
 
   patches = [