diff --git a/modules/hooks.nix b/modules/hooks.nix
index 98afee10..9e64c0f0 100644
--- a/modules/hooks.nix
+++ b/modules/hooks.nix
@@ -594,6 +594,12 @@ in
           };
         };
       };
+      lacheck = mkOption {
+        description = lib.mdDoc "lacheck hook";
+        type = types.submodule {
+          imports = [ hookModule ];
+        };
+      };
       lua-ls = mkOption {
         description = lib.mdDoc "lua-ls hook";
         type = types.submodule {
@@ -2524,6 +2530,14 @@ lib.escapeShellArgs (lib.concatMap (ext: [ "--ghc-opt" "-X${ext}" ]) hooks.ormol
           package = tools.latexindent;
           entry = "${hooks.latexindent.package}/bin/latexindent ${hooks.latexindent.settings.flags}";
         };
+      lacheck =
+        {
+          name = "lacheck";
+          description = "A consistency checker for LaTeX documents.";
+          types = [ "file" "tex" ];
+          package = tools.lacheck;
+          entry = "${hooks.lacheck.package}/bin/lacheck";
+        };
       lua-ls =
         let
           # .luarc.json has to be in a directory,
diff --git a/nix/tools.nix b/nix/tools.nix
index 7b915491..c40c14b2 100644
--- a/nix/tools.nix
+++ b/nix/tools.nix
@@ -173,6 +173,9 @@ in
   dune-build-opam-files = callPackage ./dune-build-opam-files { dune = dune_3; inherit (pkgsBuildBuild) ocaml; };
   dune-fmt = callPackage ./dune-fmt { dune = dune_3; inherit (pkgsBuildBuild) ocaml; };
   latexindent = tex;
+  lacheck = texlive.combine {
+    inherit (texlive) lacheck scheme-basic;
+  };
   chktex = tex;
   commitizen = commitizen.overrideAttrs (_: _: { doCheck = false; });
   bats = if bats ? withLibraries then (bats.withLibraries (p: [ p.bats-support p.bats-assert p.bats-file ])) else bats;