diff --git a/.github/scripts/docker/Dockerfile b/.github/scripts/docker/Dockerfile
index ee00999115..4adb7ab5cf 100644
--- a/.github/scripts/docker/Dockerfile
+++ b/.github/scripts/docker/Dockerfile
@@ -51,6 +51,7 @@ RUN pip install --no-cache-dir \
       onnxruntime \
       pytest \
       sentencepiece>=0.1.96 \
+      pypinyin==0.50.0 \
       six \
       tensorboard \
       typeguard
diff --git a/.github/scripts/docker/generate_build_matrix.py b/.github/scripts/docker/generate_build_matrix.py
index 425afac2b9..ed01bd740c 100755
--- a/.github/scripts/docker/generate_build_matrix.py
+++ b/.github/scripts/docker/generate_build_matrix.py
@@ -45,7 +45,7 @@ def get_torchaudio_version(torch_version):
 def get_matrix():
     k2_version = "1.24.4.dev20240218"
     kaldifeat_version = "1.25.4.dev20240218"
-    version = "1.3"
+    version = "1.4"
     python_version = ["3.8", "3.9", "3.10", "3.11", "3.12"]
     torch_version = ["1.13.0", "1.13.1", "2.0.0", "2.0.1", "2.1.0", "2.1.1", "2.1.2"]
     torch_version += ["2.2.0"]