diff --git a/Label_Microservice/requirements.train.txt b/Label_Microservice/requirements.train.txt
index 24f44891d4..ad8f2d0224 100644
--- a/Label_Microservice/requirements.train.txt
+++ b/Label_Microservice/requirements.train.txt
@@ -19,7 +19,7 @@ jupyter-client==6.1.2
 JSON-log-formatter==0.3.0
 pandas==0.24.2
 pandas-gbq==0.13.1
-protobuf==3.9.0
+protobuf==4.22.0
 PyJWT==1.7.1
 six==1.14.0
 tqdm==4.32.2
\ No newline at end of file
diff --git a/Label_Microservice/requirements.txt b/Label_Microservice/requirements.txt
index f9099691d8..71affeab88 100644
--- a/Label_Microservice/requirements.txt
+++ b/Label_Microservice/requirements.txt
@@ -98,7 +98,7 @@ pluggy==0.12.0
 preshed==2.0.1
 prometheus-client==0.7.1
 prompt-toolkit==2.0.9
-protobuf==3.9.0
+protobuf==4.22.0
 ptyprocess==0.6.0
 py==1.8.0
 pyasn1==0.4.6