diff --git a/ekphrasis/classes/tokenizer.py b/ekphrasis/classes/tokenizer.py
index b928bbf..d579d50 100644
--- a/ekphrasis/classes/tokenizer.py
+++ b/ekphrasis/classes/tokenizer.py
@@ -45,7 +45,7 @@ def __init__(self, pipeline=None, lowercase=False, verbose=False,
 
         self.build(pipeline)
 
-        self.pipeline.append("(?:\S)")  # CATCH ALL remaining terms
+        self.pipeline.append(r"(?:\S)")  # CATCH ALL remaining terms
         self.tok = re.compile(r"({})".format("|".join(self.pipeline)))
 
     def add_to_pipeline(self, term):
@@ -220,7 +220,7 @@ def __init__(self, lowercase=False, verbose=False, debug=False, **kwargs):
         # keep repeated puncts as one term
         # pipeline.append(r"")
 
-        pipeline.append("(?:\S)")  # CATCH ALL remaining terms
+        pipeline.append(r"(?:\S)")  # CATCH ALL remaining terms
 
         self.tok = re.compile(r"({})".format("|".join(pipeline)))
 
diff --git a/requirements.txt b/requirements.txt
index 9928e92..221a629 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
-tqdm==4.19.4
-colorama==0.3.9
-matplotlib==2.2.2
-setuptools==36.2.5
-termcolor==1.1.0
-numpy==1.19.1
-nltk==3.2.4
-ujson==1.35
-ftfy==4.4.3
+tqdm==4.67.1
+colorama==0.4.6
+matplotlib==3.10.1
+setuptools==80.0.0
+termcolor==3.0.1
+numpy==2.2.5
+nltk==3.9.1
+ujson==5.10.0
+ftfy==6.3.1
diff --git a/setup.cfg b/setup.cfg
index 224a779..0f94f37 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,2 +1,2 @@
 [metadata]
-description-file = README.md
\ No newline at end of file
+description_file = README.md
\ No newline at end of file