diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index a15c64b..012e6e1 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -39,7 +39,7 @@ jobs:
     - name: Install Protoc
       uses: arduino/setup-protoc@v1
       with:
-         version: '3.14.0'
+         version: '3.19.0'
 
     - name: Generate proto files
       run: |
diff --git a/requirements.txt b/requirements.txt
index 4aceb89..0bbbcd4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,5 @@
-# 3.12.2 version is used as it is
-# the version available in alpine 3.12 (for protobuf cpp version)
-protobuf>=3.12.2,<4.0
+# Protobuf version above major version 4 require the file to be compiled with 
+# protoc 3.19 or newer.
+# TODO Alpine image currently support protoc 3.18+, so it is required to wait for an
+# alpine image with updated protoc before a new image can be generated
+protobuf>=4.0