diff --git a/tools/mo/requirements_caffe.txt b/tools/mo/requirements_caffe.txt
index 93a2e760ac5c4b..32669effe1d7d5 100644
--- a/tools/mo/requirements_caffe.txt
+++ b/tools/mo/requirements_caffe.txt
@@ -1,7 +1,7 @@
 networkx~=2.5; python_version <= "3.6"
 networkx<=2.8.8; python_version > "3.6"
 numpy>=1.16.6,<1.25.0
-protobuf>=3.18.1,<4.0.0
+protobuf>=3.18.1,<5.0.0
 defusedxml>=0.7.1
 requests>=2.25.1
 fastjsonschema>=2.15.1,<2.17
diff --git a/tools/mo/requirements_onnx.txt b/tools/mo/requirements_onnx.txt
index 24e81ddd9783fb..5e42fff67ea955 100644
--- a/tools/mo/requirements_onnx.txt
+++ b/tools/mo/requirements_onnx.txt
@@ -5,4 +5,4 @@ numpy>=1.16.6,<1.25.0
 defusedxml>=0.7.1
 requests>=2.25.1
 fastjsonschema>=2.15.1,<2.17
-protobuf>=3.18.1,<4.0.0
+protobuf>=3.18.1,<5.0.0