diff --git a/docs/examples/fork-process-model/flask-gunicorn/requirements.txt b/docs/examples/fork-process-model/flask-gunicorn/requirements.txt
index de4cc15ee56..43e9829bfd4 100644
--- a/docs/examples/fork-process-model/flask-gunicorn/requirements.txt
+++ b/docs/examples/fork-process-model/flask-gunicorn/requirements.txt
@@ -12,7 +12,7 @@ opentelemetry-instrumentation==0.41b0
 opentelemetry-instrumentation-flask==0.41b0
 opentelemetry-instrumentation-wsgi==0.41b0
 opentelemetry-sdk==1.20.0
-protobuf==3.20.3
+protobuf==6.33.5
 six==1.15.0
 thrift==0.13.0
 uWSGI==2.0.22
diff --git a/docs/examples/fork-process-model/flask-uwsgi/requirements.txt b/docs/examples/fork-process-model/flask-uwsgi/requirements.txt
index 6bf12485c59..d07b18e01b0 100644
--- a/docs/examples/fork-process-model/flask-uwsgi/requirements.txt
+++ b/docs/examples/fork-process-model/flask-uwsgi/requirements.txt
@@ -11,7 +11,7 @@ opentelemetry-instrumentation==0.41b0
 opentelemetry-instrumentation-flask==0.41b0
 opentelemetry-instrumentation-wsgi==0.41b0
 opentelemetry-sdk==1.20.0
-protobuf==3.20.3
+protobuf==6.33.5
 six==1.15.0
 thrift==0.13.0
 uWSGI==2.0.22
diff --git a/docs/examples/metrics/prometheus-grafana/requirements.txt b/docs/examples/metrics/prometheus-grafana/requirements.txt
index f18ff7b7b48..5df3f5bacab 100644
--- a/docs/examples/metrics/prometheus-grafana/requirements.txt
+++ b/docs/examples/metrics/prometheus-grafana/requirements.txt
@@ -1,2 +1,2 @@
 opentelemetry-exporter-prometheus==1.12.0rc1
-protobuf~=3.18.1
+protobuf~=6.33.5