diff --git a/docs-requirements.txt b/docs-requirements.txt
index 2a8d99844f2..a05df343981 100644
--- a/docs-requirements.txt
+++ b/docs-requirements.txt
@@ -25,4 +25,4 @@ opentracing~=2.2.0
 thrift~=0.10
 wrapt>=1.0.0,<2.0.0
 markupsafe~=2.0
-protobuf==5.26.1
+protobuf==5.29.5
diff --git a/opentelemetry-proto/test-requirements.txt b/opentelemetry-proto/test-requirements.txt
index 892e355def8..c2e2ace221f 100644
--- a/opentelemetry-proto/test-requirements.txt
+++ b/opentelemetry-proto/test-requirements.txt
@@ -3,7 +3,7 @@ importlib-metadata==6.11.0
 iniconfig==2.0.0
 packaging==24.0
 pluggy==1.5.0
-protobuf==5.26.1
+protobuf==5.29.5
 py-cpuinfo==9.0.0
 pytest==7.4.4
 tomli==2.0.1