diff --git a/pkgs/applications/version-management/git-sizer/default.nix b/pkgs/applications/version-management/git-sizer/default.nix
index 7a92679583b6..6d41098ee1aa 100644
--- a/pkgs/applications/version-management/git-sizer/default.nix
+++ b/pkgs/applications/version-management/git-sizer/default.nix
@@ -2,7 +2,7 @@
 
 buildGoPackage rec {
   pname = "git-sizer";
-  version = "1.0.0";
+  version = "1.3.0";
 
   goPackagePath = "github.com/github/git-sizer";
 
@@ -10,7 +10,7 @@ buildGoPackage rec {
     owner = "github";
     repo = pname;
     rev = "v${version}";
-    sha256 = "11rvqpsyl41ph0fgm62k5q2p33zgnwj1jd91rd4lkaarpcd1sg5h";
+    sha256 = "0kmyvai5xfalm56ywa6mhdvvjnacdzwcyz28bw0pz9a4gyf1mgvh";
   };
 
   meta = with lib; {