diff --git a/pkgs/tools/misc/ttwatch/default.nix b/pkgs/tools/misc/ttwatch/default.nix
index 5e5413454106..ecfc40bdf6f3 100644
--- a/pkgs/tools/misc/ttwatch/default.nix
+++ b/pkgs/tools/misc/ttwatch/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation {
   pname = "ttwatch";
-  version = "2020-02-05";
+  version = "2020-06-24";
 
   src = fetchFromGitHub {
     owner = "ryanbinns";
     repo = "ttwatch";
-    rev = "bfdf1372515574e1fb3871dc1039f8d8a5dbdada";
-    sha256 = "07nd4dbkchxy8js1h1f6pzn63pls2afww97wyiiw6zid43mpqyg4";
+    rev = "260aff5869fd577d788d86b546399353d9ff72c1";
+    sha256 = "0yd2hs9d03gfvwm1vywpg2qga6x5c74zrj665wf9aa8gmn96hv8r";
   };
 
   nativeBuildInputs = [ cmake perl pkg-config ];