Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: freqtweak unstable-2019-08-03 -> 0.7.2 https://repology.org/project/freqtweak/versions
attrpath: freqtweak
Checking auto update branch...
No auto update branch exists
[version] 
[version] updated version and sha256
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] skipping because derivation has no updateScript
Diff after rewrites:
diff --git a/pkgs/by-name/fr/freqtweak/package.nix b/pkgs/by-name/fr/freqtweak/package.nix
index 7e28bd00420a..d97a1856724a 100644
--- a/pkgs/by-name/fr/freqtweak/package.nix
+++ b/pkgs/by-name/fr/freqtweak/package.nix
@@ -15,13 +15,13 @@
 
 stdenv.mkDerivation {
   pname = "freqtweak";
-  version = "unstable-2019-08-03";
+  version = "0.7.2";
 
   src = fetchFromGitHub {
     owner = "essej";
     repo = "freqtweak";
     rev = "d4205337558d36657a4ee6b3afb29358aa18c0fd";
-    sha256 = "10cq27mdgrrc54a40al9ahi0wqd0p2c1wxbdg518q8pzfxaxs5fi";
+    sha256 = "sha256-0RXdVXf/IoxCeW11Hpi4oGEOIlSJKkAUKSzn1+oRmIE=";
   };
 
   nativeBuildInputs = [

Source url did not change.