diff --git a/backend/python/coqui/requirements-cpu.txt b/backend/python/coqui/requirements-cpu.txt
index 787877bd8439..e8d22da13fcf 100644
--- a/backend/python/coqui/requirements-cpu.txt
+++ b/backend/python/coqui/requirements-cpu.txt
@@ -1,4 +1,4 @@
-transformers==4.48.3
+transformers==5.2.0
 accelerate
 torch==2.4.1
 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 53ed2ebc760c..b2801c34dee6 100644
--- a/backend/python/coqui/requirements-cublas12.txt
+++ b/backend/python/coqui/requirements-cublas12.txt
@@ -1,5 +1,5 @@
 torch==2.4.1
 torchaudio==2.4.1
-transformers==4.48.3
+transformers==5.2.0
 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 8e7d034591e3..4b3fd619fde4 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/rocm6.4
 torch==2.8.0+rocm6.4
 torchaudio==2.8.0+rocm6.4
-transformers==4.48.3
+transformers==5.2.0
 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 3a854b87573e..f04aed01bee7 100644
--- a/backend/python/coqui/requirements-intel.txt
+++ b/backend/python/coqui/requirements-intel.txt
@@ -3,6 +3,6 @@ torch==2.8.0+xpu
 torchaudio==2.8.0+xpu
 optimum[openvino]
 setuptools
-transformers==4.48.3
+transformers==5.2.0
 accelerate
 coqui-tts
\ No newline at end of file
diff --git a/backend/python/coqui/requirements-mps.txt b/backend/python/coqui/requirements-mps.txt
index f2883e9778c8..b673c51b8f64 100644
--- a/backend/python/coqui/requirements-mps.txt
+++ b/backend/python/coqui/requirements-mps.txt
@@ -1,4 +1,4 @@
 torch==2.7.1
-transformers==4.48.3
+transformers==5.2.0
 accelerate
 coqui-tts