diff --git a/app/text-summarization/requirements.txt b/app/text-summarization/requirements.txt
index 7eb48a0..c7d7c7e 100644
--- a/app/text-summarization/requirements.txt
+++ b/app/text-summarization/requirements.txt
@@ -19,7 +19,7 @@ mccabe==0.6.1
 networkx==2.4
 nltk==3.4.5
 numpy==1.17.3
-protobuf==3.10.0
+protobuf==3.18.3
 pylint==2.4.3
 pyzmq==18.1.0
 scikit-learn==0.21.3