diff --git a/pkgs/by-name/ge/genemichaels/package.nix b/pkgs/by-name/ge/genemichaels/package.nix
index 557e17934a28..0decad7a3c83 100644
--- a/pkgs/by-name/ge/genemichaels/package.nix
+++ b/pkgs/by-name/ge/genemichaels/package.nix
@@ -6,18 +6,23 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "genemichaels";
-  version = "0.5.7";
+  version = "0.5.13";
 
   src = fetchFromGitHub {
     owner = "andrewbaxter";
     repo = "genemichaels";
     rev = "genemichaels-v${version}";
-    hash = "sha256-qPyIC9AbRQI+inBft7Dd5R5v+tXtJcZdiV4lBIBwpyM=";
+    hash = "sha256-pzGTKswETm7RR0up1eSWC+X633rsVmEAJ3DYM8z6paQ=";
   };
 
-  cargoHash = "sha256-yPxgYf8N3Dqns/uKhdM++jpzG7zTPhCVVq+7WA9G/SM=";
+  cargoHash = "sha256-FjggpBTzxj9AOJjUq5PmbuE/ImmTMpxN0se9uxRy4KQ=";
 
   cargoBuildFlags = [ "--package ${pname}" ];
+  # cargoTestFlags is not used because genemichaels is tightly coupled to the
+  # other crates in the workspace and by not setting it, we run all the tests.
+  # If a dependency crate is failing its tests, we want to know about it. For
+  # example, between versions 0.5.8 and 0.5.12, there was a failing test in one
+  # of the other workspace members that genemichaels depends on.
 
   meta = {
     description = "Even formats macros";