diff --git a/pyproject.toml b/pyproject.toml
index 7a8fa0f..b3d0f54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ requires-python = ">=3.10"
 dependencies = [
     "grpcio>=1.83.1,<2.0.0",
     "grpclib>=0.4.3",
-    "protobuf>=5.27.0,<6.0.0",
+    "protobuf>=5.27.0,<8.0.0",
     "hyperledger-fabric-protos>=0.3.7.dev1,<0.4.0",
     "jsonschema>=4.0.0"
 ]
diff --git a/requirements.txt b/requirements.txt
index ef8ec7b..bd7d44f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 grpcio==1.83.1
 grpclib==0.4.3
-protobuf>=5.27.0,<6.0.0
+protobuf>=5.27.0,<8.0.0
 hyperledger-fabric-protos>=0.3.7.dev1,<0.4.0
 jsonschema>=4.0.0
\ No newline at end of file