diff --git a/get_predictions/requirements.txt b/get_predictions/requirements.txt
index af0f85e..0fe9b65 100644
--- a/get_predictions/requirements.txt
+++ b/get_predictions/requirements.txt
@@ -26,7 +26,7 @@ natsort==7.0.1
 numpy==1.18.2
 pandas==1.0.1
 Pillow==7.0.0
-protobuf==3.11.3
+protobuf==3.18.3
 pycairo==1.19.1
 pycparser==2.20
 pytesseract==0.3.3
diff --git a/requirements.txt b/requirements.txt
index ff79d98..03fa0fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ pexpect==4.2.1
 pickleshare==0.7.4
 Pillow==6.2.2
 prompt-toolkit==1.0.15
-protobuf==3.0.0b2
+protobuf==3.18.3
 pycairo==1.16.2
 pycodestyle==2.3.1
 pycrypto==2.6.1