diff --git a/.github/scripts/docker/generate_build_matrix.py b/.github/scripts/docker/generate_build_matrix.py
index f33f37d344..c5a1a54cb3 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.dev20241029"
     kaldifeat_version = "1.25.5.dev20241029"
-    version = "20241126"
+    version = "20241218"
 
     # torchaudio 2.5.0 does not support python 3.13
     python_version = ["3.8", "3.9", "3.10", "3.11", "3.12"]
@@ -80,8 +80,12 @@ def get_matrix():
                 # torch>=2.5 requires python 3.10
                 continue
 
-            k2_version_2 = k2_version
-            kaldifeat_version_2 = kaldifeat_version
+            if t == "2.5.1":
+                k2_version_2 = "1.24.4.dev20241122"
+                kaldifeat_version_2 = "1.25.5.dev20241126"
+            else:
+                k2_version_2 = k2_version
+                kaldifeat_version_2 = kaldifeat_version
 
             matrix.append(
                 {