diff --git a/pkgs/applications/radio/flwrap/default.nix b/pkgs/applications/radio/flwrap/default.nix
index 7471d6676ed2..04b96b36c144 100644
--- a/pkgs/applications/radio/flwrap/default.nix
+++ b/pkgs/applications/radio/flwrap/default.nix
@@ -7,12 +7,12 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "1.3.5";
+  version = "1.3.6";
   pname = "flwrap";
 
   src = fetchurl {
     url = "mirror://sourceforge/fldigi/${pname}-${version}.tar.gz";
-    sha256 = "0qqivqkkravcg7j45740xfky2q3k7czqpkj6y364qff424q2pppg";
+    sha256 = "sha256-g1V7bOcgVHpD+Ndn02Nj4I3rGItuQ2qLGlrZZshfGP8=";
   };
 
   buildInputs = [