diff --git a/ImageCaptioningAndKeyWordExtraction/requirements.txt b/ImageCaptioningAndKeyWordExtraction/requirements.txt
index 65b6db9..fca9be9 100644
--- a/ImageCaptioningAndKeyWordExtraction/requirements.txt
+++ b/ImageCaptioningAndKeyWordExtraction/requirements.txt
@@ -30,7 +30,7 @@ opt-einsum==3.2.1
 Pillow==7.1.2
 plac==1.1.3
 preshed==3.0.2
-protobuf==3.12.2
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 PyPDF2==1.26.0