Update requirements.txt

requirements.txt

@@ -10,8 +10,13 @@ yake>=0.4.8
 rake-nltk>=1.0.6
 nltk==3.8.1
 
-# For TF-IDF and TextRank
+# For TF-IDF and TextRank helpers
 scikit-learn>=1.0.0
-networkx>=2.8  # For TextRank algorithm
+networkx>=2.8
 
-# That's all - no heavy transformer models needed!
+# pke: the paper's keyphrase methods (TopicRank, MultipartiteRank, PositionRank, TextRank)
+git+https://github.com/boudinfl/pke.git
+spacy>=3.7,<3.8
+
+# spaCy model installed as a wheel (do NOT rely on `python -m spacy download` on Spaces)
+en_core_web_sm @ https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.7.1/en_core_web_sm-3.7.1-py3-none-any.whl