diff --git a/python/requirements.txt b/python/requirements.txt
index c47b6e5c1..72f0eb208 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -17,7 +17,7 @@ pyclipper==1.2.1
 MarkupSafe==1.1.1
 Werkzeug==1.0.1
 ujson>=2.0.3
-sentencepiece==0.1.96; platform_machine !=  "aarch64"
+sentencepiece==0.2.1; platform_machine !=  "aarch64"
 sentencepiece; platform_machine ==  "aarch64"
 opencv-python==3.4.17.61; platform_machine !=  "aarch64"
 opencv-python; platform_machine == "aarch64"
diff --git a/python/requirements_mac.txt b/python/requirements_mac.txt
index 9281deff1..4fe22872d 100644
--- a/python/requirements_mac.txt
+++ b/python/requirements_mac.txt
@@ -15,7 +15,7 @@ Werkzeug==1.0.1
 ujson>=2.0.3
 grpcio-tools==1.33.2
 grpcio>=1.33.2
-sentencepiece==0.1.96; platform_machine !=  "aarch64"
+sentencepiece==0.2.1; platform_machine !=  "aarch64"
 sentencepiece; platform_machine ==  "aarch64"
 opencv-python==3.4.17.61; platform_machine !=  "aarch64"
 opencv-python; platform_machine == "aarch64"