diff --git a/middleware/filter/api/requirements.txt b/middleware/filter/api/requirements.txt
new file mode 100644
index 0000000..880cc52
--- /dev/null
+++ b/middleware/filter/api/requirements.txt
@@ -0,0 +1,5 @@
+nltk
+numpy
+jieba
+fasttext-wheel
+scikit-learn
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 27683ea..f3eb7c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,6 +32,7 @@ httpcore <=0.15
 duckduckgo_search
 
 # NLP
+nltk
 numpy
 jieba
 fasttext-wheel