diff --git a/requirements.txt b/requirements.txt
index a4f4440..58d3b3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -120,7 +120,7 @@ progress-bar==8
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
 Protego==0.1.16
-protobuf==3.11.3
+protobuf==3.15.0
 ptyprocess==0.6.0
 punctuator==0.9.5
 py==1.8.1
diff --git a/videoSummarizer/requirements.txt b/videoSummarizer/requirements.txt
index 0e2d544..9df812d 100644
--- a/videoSummarizer/requirements.txt
+++ b/videoSummarizer/requirements.txt
@@ -115,7 +115,7 @@ progress-bar==8
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
 Protego==0.1.16
-protobuf==3.11.3
+protobuf==3.15.0
 ptyprocess==0.6.0
 punctuator==0.9.5
 py==1.8.1