diff --git a/pyproject.toml b/pyproject.toml
index d8f4adbb1..7d43ef1b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -95,7 +95,7 @@ docs = [
   "pymdown-extensions>=10.0",
 ]
 tracing = [
-  "protobuf>=4.25.8,<5.0",
+  "protobuf>=4.25.8,<7.0",
   "wrapt>=1.16.0",
   "opentelemetry-api>=1.20.0",
   "opentelemetry-sdk>=1.20.0",
@@ -104,7 +104,7 @@ tracing = [
   "opentelemetry-exporter-jaeger>=1.20.0",
 ]
 all = [
-  "protobuf>=4.25.8,<5.0",
+  "protobuf>=4.25.8,<7.0",
   "wrapt>=1.16.0",
   "opentelemetry-api>=1.20.0",
   "opentelemetry-sdk>=1.20.0",