diff --git a/pkgs/applications/radio/wsjtx/default.nix b/pkgs/applications/radio/wsjtx/default.nix
index c3e591aec07b..00cc0eaca129 100644
--- a/pkgs/applications/radio/wsjtx/default.nix
+++ b/pkgs/applications/radio/wsjtx/default.nix
@@ -4,12 +4,12 @@
 
 stdenv.mkDerivation rec {
   pname = "wsjtx";
-  version = "2.5.4";
+  version = "2.6.1";
 
   # This is a "superbuild" tarball containing both wsjtx and a hamlib fork
   src = fetchurl {
-    url = "http://physics.princeton.edu/pulsar/k1jt/wsjtx-${version}.tgz";
-    sha256 = "sha256-Gz84Rq0sCl9BAXi2YSdl1Z7mPbJJ62z8MyrOF/CjCJg=";
+    url = "https://sourceforge.net/projects/wsjt/files/wsjtx-${version}/wsjtx-${version}.tgz";
+    sha256 = "sha256-YNDiy0WkmmrVhbCQiCGp/yw6wlZNYQQmIP82wt3Mdl8=";
   };
 
   # Hamlib builds with autotools, wsjtx builds with cmake