diff --git a/modules/hooks.nix b/modules/hooks.nix
index a3539b93..e8f202d9 100644
--- a/modules/hooks.nix
+++ b/modules/hooks.nix
@@ -2227,5 +2227,12 @@ in
         # all file names in a single run.
         require_serial = true;
       };
+
+      conform = {
+        name = "conform enforce";
+        description = "Policy enforcement for commits.";
+        entry = "${tools.conform}/bin/conform enforce --commit-msg-file";
+        stages = [ "commit-msg" ];
+      };
     };
 }
diff --git a/nix/tools.nix b/nix/tools.nix
index aa49d5ea..4971672e 100644
--- a/nix/tools.nix
+++ b/nix/tools.nix
@@ -11,6 +11,7 @@
 , clang-tools
 , clippy
 , commitizen
+, conform
 , convco
 , crystal
 , deadnix
@@ -88,6 +89,7 @@ in
     cargo
     clang-tools
     clippy
+    conform
     convco
     crystal
     deadnix