diff --git a/pkgs/development/python-modules/cltk/default.nix b/pkgs/development/python-modules/cltk/default.nix
index 7635ace28648..c1eda9c2af6a 100644
--- a/pkgs/development/python-modules/cltk/default.nix
+++ b/pkgs/development/python-modules/cltk/default.nix
@@ -19,24 +19,23 @@
   scipy,
   spacy,
   stanza,
-  stringcase,
   torch,
   tqdm,
 
   # tests
   pytestCheckHook,
+  writableTmpDirAsHomeHook,
 }:
 buildPythonPackage rec {
   pname = "cltk";
-  version = "1.3.0";
-
+  version = "1.5.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cltk";
     repo = "cltk";
-    rev = "refs/tags/v${version}";
-    hash = "sha256-/rdv96lnSGN+aJJmPSIan79zoXxnStokFEAjBtCLKy4=";
+    tag = "v${version}";
+    hash = "sha256-aeWbfDVNn6DwW+KFh62n5RBgWp5uSWDv2RHmB27/xI4=";
   };
 
   postPatch = ''
@@ -66,19 +65,15 @@ buildPythonPackage rec {
     scipy
     spacy
     stanza
-    stringcase
     torch
     tqdm
   ];
 
   nativeCheckInputs = [
     pytestCheckHook
+    writableTmpDirAsHomeHook
   ];
 
-  preCheck = ''
-    export HOME=$(mktemp -d)
-  '';
-
   # Most of tests fail as they require local files to be present and also internet access
   doCheck = false;