diff --git a/.version/2024-05-31.md b/.version/2024-05-31.md
index d30666873..9de75f5cf 100644
--- a/.version/2024-05-31.md
+++ b/.version/2024-05-31.md
@@ -22,4 +22,4 @@
 | cvimath                    | cvimath                             | https://github.com/sophgo/cvimath.git                    | sg200x-dev    | ce8705f      |
 | cnpy                       | cnpy                                | https://github.com/sophgo/cnpy.git                       | sg200x-dev    | 2f56f4c      |
 | flatbuffers                | flatbuffers                         | https://github.com/sophgo/flatbuffers.git                | master        | 6da1cf7      |
-| buildroot-2021.05          | buildroot-2021.05                   | https://github.com/sophgo/buildroot-2021.05.git          | sg200x-dev    | 69f79f2a     |
+| buildroot-2021.05          | buildroot-2021.05                   | https://github.com/sophgo/buildroot-2021.05.git          | sg200x-dev    | 50b37637     |