diff --git a/WhereDoIHaveAnAccount/scraper.py b/WhereDoIHaveAnAccount/scraper.py
index e634238..4e8555f 100644
--- a/WhereDoIHaveAnAccount/scraper.py
+++ b/WhereDoIHaveAnAccount/scraper.py
@@ -124,6 +124,7 @@ def preprocess_data(email_header_df):
     email_header_df['subject'] = email_header_df['subject'].apply(lambda x: re.sub("ß", "ss", x))
 
     # tokenize
+    nltk.download('punkt')
     email_header_df['subject'] = email_header_df['subject'].apply(lambda x: nltk.word_tokenize(x))
 
     # remove stopwords
diff --git a/pyproject.toml b/pyproject.toml
index 3f20733..d98a991 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ readme = "README.md"
 authors = [
     {name = "Timo Kühne"},
 ]
-version = "1.4.0"
+version = "1.4.1"
 description = "Simple tool to find out where you have accounts."
 requires-python = ">=3.6.1"
 classifiers = [