diff --git a/bazel/repositories.bzl b/bazel/repositories.bzl
index 0fdcf5fc..e9f493c9 100644
--- a/bazel/repositories.bzl
+++ b/bazel/repositories.bzl
@@ -40,10 +40,10 @@ def _yacl():
         http_archive,
         name = "yacl",
         urls = [
-            "https://github.com/secretflow/yacl/archive/refs/tags/0.4.3b1.tar.gz",
+            "https://github.com/secretflow/yacl/archive/refs/tags/0.4.4b0.tar.gz",
         ],
-        strip_prefix = "yacl-0.4.3b1",
-        sha256 = "e22a1ca88a97d4709fb08051d4f756c3bb581ff74f93e01f9eb4bb52dd694b19",
+        strip_prefix = "yacl-0.4.4b0",
+        sha256 = "58001c4472a736a5486f9b70b1c81a84c64807f03fadcf2040e4a7d77f310b5d",
     )
 
 def _libpsi():
diff --git a/requirements.txt b/requirements.txt
index 0132b718..5a96fef3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 grpcio>=1.42.0,!=1.48.0
 numpy>=1.22.0
-protobuf>=3.19, <4
+protobuf>=4, <5
 cloudpickle>=2.0.0
 multiprocess>=0.70.12.2
 cachetools>=5.0.0