diff --git a/poetry.lock b/poetry.lock
index 8398cda..11d5e7e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1395,4 +1395,4 @@ propcache = ">=0.2.1"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.10"
-content-hash = "0a80b7cdcd15b50da5be742a4a52eac826560bf9f078ba669dda329d2858755d"
+content-hash = "ea1b02e96dc146481d68d92bdb1252518e0343bcbef0a9ae33fa1119ea919935"
diff --git a/pyproject.toml b/pyproject.toml
index 47b7e1a..77ff570 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ homepage = "https://github.com/michaelarnauts/aiocomfoconnect"
 [tool.poetry.dependencies]
 python = "^3.10"
 aiohttp = "^3.8.0"
-protobuf = "^6.31"
+protobuf = ">=6.31,<8"
 
 [tool.poetry.group.dev.dependencies]
 grpcio-tools = "^1.73.0"