diff --git a/backend/python/transformers/requirements-cpu.txt b/backend/python/transformers/requirements-cpu.txt
index c5dd77003604..f4e95ddb185d 100644
--- a/backend/python/transformers/requirements-cpu.txt
+++ b/backend/python/transformers/requirements-cpu.txt
@@ -6,4 +6,4 @@ transformers
 bitsandbytes
 outetts
 sentence-transformers==5.1.0
-protobuf==6.32.0
\ No newline at end of file
+protobuf==6.33.0
\ No newline at end of file
diff --git a/backend/python/transformers/requirements-cublas11.txt b/backend/python/transformers/requirements-cublas11.txt
index 7dfe5f288a52..cba0b18ccaf8 100644
--- a/backend/python/transformers/requirements-cublas11.txt
+++ b/backend/python/transformers/requirements-cublas11.txt
@@ -7,4 +7,4 @@ transformers
 bitsandbytes
 outetts
 sentence-transformers==5.1.0
-protobuf==6.32.0
\ No newline at end of file
+protobuf==6.33.0
\ No newline at end of file
diff --git a/backend/python/transformers/requirements-cublas12.txt b/backend/python/transformers/requirements-cublas12.txt
index d444dea43608..8e8ef3392c36 100644
--- a/backend/python/transformers/requirements-cublas12.txt
+++ b/backend/python/transformers/requirements-cublas12.txt
@@ -6,4 +6,4 @@ transformers
 bitsandbytes
 outetts
 sentence-transformers==5.1.0
-protobuf==6.32.0
\ No newline at end of file
+protobuf==6.33.0
\ No newline at end of file
diff --git a/backend/python/transformers/requirements-hipblas.txt b/backend/python/transformers/requirements-hipblas.txt
index 62a30c84fe4f..bca74585cadc 100644
--- a/backend/python/transformers/requirements-hipblas.txt
+++ b/backend/python/transformers/requirements-hipblas.txt
@@ -8,4 +8,4 @@ bitsandbytes
 outetts
 bitsandbytes
 sentence-transformers==5.1.0
-protobuf==6.32.0
\ No newline at end of file
+protobuf==6.33.0
\ No newline at end of file
diff --git a/backend/python/transformers/requirements-intel.txt b/backend/python/transformers/requirements-intel.txt
index 02b07d4151bc..a8e1708a7382 100644
--- a/backend/python/transformers/requirements-intel.txt
+++ b/backend/python/transformers/requirements-intel.txt
@@ -10,4 +10,4 @@ intel-extension-for-transformers
 bitsandbytes
 outetts
 sentence-transformers==5.1.0
-protobuf==6.32.0
\ No newline at end of file
+protobuf==6.33.0
\ No newline at end of file
diff --git a/backend/python/transformers/requirements.txt b/backend/python/transformers/requirements.txt
index c906f46a7d86..a5b24f099b80 100644
--- a/backend/python/transformers/requirements.txt
+++ b/backend/python/transformers/requirements.txt
@@ -1,5 +1,5 @@
 grpcio==1.75.1
-protobuf==6.32.0
+protobuf==6.33.0
 certifi
 setuptools
 scipy==1.15.1