diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index 82176e4fab89..c1f0314fc3eb 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -24,7 +24,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libxml2";
-  version = "2.13.3";
+  version = "2.13.4";
 
   outputs = [ "bin" "dev" "out" "devdoc" ]
     ++ lib.optional pythonSupport "py"
@@ -33,7 +33,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   src = fetchurl {
     url = "mirror://gnome/sources/libxml2/${lib.versions.majorMinor finalAttrs.version}/libxml2-${finalAttrs.version}.tar.xz";
-    hash = "sha256-CAXXwYDPCcqtcWZsekWKdPBBVhpTKQJFTaUEfYOUgTg=";
+    hash = "sha256-ZdBC4cgBAkPmF++wKv2iC4XCFgrNv7y1smuAzsZRVlA=";
   };
 
   strictDeps = true;