diff --git a/common_ml/requirements-test.txt b/common_ml/requirements-test.txt
index d1545481..03a6d786 100644
--- a/common_ml/requirements-test.txt
+++ b/common_ml/requirements-test.txt
@@ -5,7 +5,7 @@ google-cloud-secret-manager==2.11.1
 inflect==6.0.2
 keybert==0.5.1
 neuralcoref
-nltk==3.6.6
+nltk==3.9
 protobuf==3.19.5
 retrying==1.3.3
 scikit-learn==0.24.2
diff --git a/common_ml/requirements.txt b/common_ml/requirements.txt
index bef879b0..a6429b48 100644
--- a/common_ml/requirements.txt
+++ b/common_ml/requirements.txt
@@ -4,7 +4,7 @@ google-cloud-secret-manager==2.11.1
 inflect==6.0.2
 keybert==0.5.1
 kubernetes==26.1.0
-nltk==3.6.6
+nltk==3.9
 protobuf==3.19.5
 pyyaml==6.0
 redis==4.5.4