diff --git a/Keras/Facial Expression Recognition with Keras/requirements.txt b/Keras/Facial Expression Recognition with Keras/requirements.txt
index 909fea59..aa4f2cda 100644
--- a/Keras/Facial Expression Recognition with Keras/requirements.txt	
+++ b/Keras/Facial Expression Recognition with Keras/requirements.txt	
@@ -56,7 +56,7 @@ pickleshare==0.7.5
 pillow==7.1.2
 prometheus-client==0.7.1
 prompt-toolkit==3.0.5
-protobuf==3.12.0
+protobuf==3.18.3
 ptyprocess==0.6.0 ; os_name != 'nt'
 pyasn1-modules==0.2.8
 pyasn1==0.4.8