diff --git a/pkgs/development/libraries/libwebp/default.nix b/pkgs/development/libraries/libwebp/default.nix
index 65fa55a787e..39a7ab3ba45 100644
--- a/pkgs/development/libraries/libwebp/default.nix
+++ b/pkgs/development/libraries/libwebp/default.nix
@@ -1,5 +1,4 @@
 { lib, stdenv, fetchFromGitHub, autoreconfHook, libtool
-, fetchpatch
 , threadingSupport ? true # multi-threading
 , openglSupport ? false, freeglut, libGL, libGLU # OpenGL (required for vwebp)
 , pngSupport ? true, libpng # PNG image format
@@ -28,24 +27,15 @@
 
 stdenv.mkDerivation rec {
   pname = "libwebp";
-  version = "1.3.0";
+  version = "1.3.1";
 
   src = fetchFromGitHub {
     owner  = "webmproject";
     repo   = pname;
     rev    = "v${version}";
-    hash   = "sha256-nhXkq+qKpaa75YQB/W/cRozslTIFPdXeqj1y6emQeHk=";
+    hash   = "sha256-Q94avvKjPdwdGt5ADo30cf2V4T7MCTubDHJxTtbG4xQ=";
   };
 
-  patches = [
-    # https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/#MFSA-TMP-2023-0001
-    (fetchpatch {
-      url = "https://github.com/webmproject/libwebp/commit/a486d800b60d0af4cc0836bf7ed8f21e12974129.patch";
-      name = "fix-msfa-tmp-2023-0001.patch";
-      hash = "sha256-TRKXpNkYVzftBw09mX+WeQRhRoOzBgXFTNZBzSdCKvc=";
-    })
-  ];
-
   configureFlags = [
     (lib.enableFeature threadingSupport "threading")
     (lib.enableFeature openglSupport "gl")