diff --git a/tools/ray_tpu/src/tune/requirements.txt b/tools/ray_tpu/src/tune/requirements.txt
index 12b80af8..322dcac8 100644
--- a/tools/ray_tpu/src/tune/requirements.txt
+++ b/tools/ray_tpu/src/tune/requirements.txt
@@ -11,4 +11,4 @@ pandas
 ray[tune]==2.5.1
 tensorflow-cpu==2.9.3
 tensorflow-datasets==4.4.0
-protobuf==3.19.0
\ No newline at end of file
+protobuf==4.25.8
\ No newline at end of file