diff --git a/pkgs/development/libraries/webkitgtk/default.nix b/pkgs/development/libraries/webkitgtk/default.nix
index 317bcc880078..c4966f5443a6 100644
--- a/pkgs/development/libraries/webkitgtk/default.nix
+++ b/pkgs/development/libraries/webkitgtk/default.nix
@@ -81,7 +81,7 @@
 # https://webkitgtk.org/2024/10/04/webkitgtk-2.46.html recommends building with clang.
 clangStdenv.mkDerivation (finalAttrs: {
   pname = "webkitgtk";
-  version = "2.48.2";
+  version = "2.48.3";
   name = "${finalAttrs.pname}-${finalAttrs.version}+abi=${
     if lib.versionAtLeast gtk3.version "4.0" then
       "6.0"
@@ -101,7 +101,7 @@ clangStdenv.mkDerivation (finalAttrs: {
 
   src = fetchurl {
     url = "https://webkitgtk.org/releases/webkitgtk-${finalAttrs.version}.tar.xz";
-    hash = "sha256-7Fj238JdOzYDiOGS+GUGjWmqsJtNffAh+Q4xTS+lTzc=";
+    hash = "sha256-1NxZcPD8alKf9/1nvL+rK7tekb54my6SeWQLMhengsM=";
   };
 
   patches = lib.optionals clangStdenv.hostPlatform.isLinux [