diff --git a/backend/python/coqui/requirements-cpu.txt b/backend/python/coqui/requirements-cpu.txt
index a26c0cbab..df489dae1 100644
--- a/backend/python/coqui/requirements-cpu.txt
+++ b/backend/python/coqui/requirements-cpu.txt
@@ -1,4 +1,4 @@
-transformers==4.48.3
+transformers==4.55.2
 accelerate
 torch==2.8.0
 coqui-tts
\ No newline at end of file
diff --git a/backend/python/coqui/requirements-cublas11.txt b/backend/python/coqui/requirements-cublas11.txt
index d06170cec..548537125 100644
--- a/backend/python/coqui/requirements-cublas11.txt
+++ b/backend/python/coqui/requirements-cublas11.txt
@@ -1,6 +1,6 @@
 --extra-index-url https://download.pytorch.org/whl/cu118
 torch==2.8.0
 torchaudio==2.4.1+cu118
-transformers==4.48.3
+transformers==4.55.2
 accelerate
 coqui-tts
\ No newline at end of file
diff --git a/backend/python/coqui/requirements-cublas12.txt b/backend/python/coqui/requirements-cublas12.txt
index 46fbb59f3..a266039ec 100644
--- a/backend/python/coqui/requirements-cublas12.txt
+++ b/backend/python/coqui/requirements-cublas12.txt
@@ -1,5 +1,5 @@
 torch==2.8.0
 torchaudio==2.4.1
-transformers==4.48.3
+transformers==4.55.2
 accelerate
 coqui-tts
\ No newline at end of file
diff --git a/backend/python/coqui/requirements-hipblas.txt b/backend/python/coqui/requirements-hipblas.txt
index 011ba7fc5..6aa1f75ca 100644
--- a/backend/python/coqui/requirements-hipblas.txt
+++ b/backend/python/coqui/requirements-hipblas.txt
@@ -1,6 +1,6 @@
 --extra-index-url https://download.pytorch.org/whl/rocm6.0
 torch==2.8.0
 torchaudio==2.4.1+rocm6.0
-transformers==4.48.3
+transformers==4.55.2
 accelerate
 coqui-tts
\ No newline at end of file
diff --git a/backend/python/coqui/requirements-intel.txt b/backend/python/coqui/requirements-intel.txt
index afde7ff8c..11a8afc55 100644
--- a/backend/python/coqui/requirements-intel.txt
+++ b/backend/python/coqui/requirements-intel.txt
@@ -5,6 +5,6 @@ torchaudio==2.3.1+cxx11.abi
 oneccl_bind_pt==2.3.100+xpu
 optimum[openvino]
 setuptools
-transformers==4.48.3
+transformers==4.55.2
 accelerate
 coqui-tts
\ No newline at end of file