diff --git a/pkgs/development/compilers/x11basic/default.nix b/pkgs/development/compilers/x11basic/default.nix
index 3d955c4394b0..147ec13c5556 100644
--- a/pkgs/development/compilers/x11basic/default.nix
+++ b/pkgs/development/compilers/x11basic/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   pname = "X11basic";
-  version = "1.26";
+  version = "1.27";
 
   src = fetchFromGitHub {
     owner = "kollokollo";
     repo = pname;
     rev = version;
-    sha256 = "0rwj9cf496xailply0rgw695bzdladh2dhy7vdqac1pwbkl53nvd";
+    sha256 = "1hpxzdqnjl1fiwgs2vrjg4kxm29c7pqwk3g1m4p5pm4x33a3d1q2";
   };
 
   buildInputs = [