diff --git a/pkgs/by-name/ht/httplib/package.nix b/pkgs/by-name/ht/httplib/package.nix
index 739b31a6cd56..9620ac4ce1da 100644
--- a/pkgs/by-name/ht/httplib/package.nix
+++ b/pkgs/by-name/ht/httplib/package.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "httplib";
-  version = "0.18.1";
+  version = "0.18.3";
 
   src = fetchFromGitHub {
     owner = "yhirose";
     repo = "cpp-httplib";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-NLSflHzxXby+SpLFg32BfRafey48DZ0XULQeyHQJHP4=";
+    hash = "sha256-mErNqoGLRXQ9jkJO87o2LlKZaZm6nb4nNiv4ylLT0pM=";
   };
 
   nativeBuildInputs = [ cmake ];