diff --git a/pkgs/development/libraries/x265/default.nix b/pkgs/development/libraries/x265/default.nix
index 398c309d938..f2189cb014e 100644
--- a/pkgs/development/libraries/x265/default.nix
+++ b/pkgs/development/libraries/x265/default.nix
@@ -17,14 +17,14 @@ in
 
 stdenv.mkDerivation rec {
   name = "x265-${version}";
-  version = "3.0";
+  version = "3.1.1";
 
   src = fetchurl {
     urls = [
       "https://get.videolan.org/x265/x265_${version}.tar.gz"
       "ftp://ftp.videolan.org/pub/videolan/x265/x265_${version}.tar.gz"
     ];
-    sha256 = "0qh65wdpasrspkm1y0dlfa123myax568yi0sas0lmg5b1hkgrff5";
+    sha256 = "1l68lgdbsi4wjz5vad98ggx7mf92rnvzlq34m6w0a08ark3h0yc2";
   };
 
   enableParallelBuilding = true;