diff --git a/runtimes/mllib/poetry.lock b/runtimes/mllib/poetry.lock
index c8d43d0ad..3640131c1 100644
--- a/runtimes/mllib/poetry.lock
+++ b/runtimes/mllib/poetry.lock
@@ -1719,12 +1719,12 @@ yaml = ["pyyaml (>=6.0.1)"]
 
 [[package]]
 name = "pyspark"
-version = "3.5.3"
+version = "3.5.4"
 description = "Apache Spark Python API"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "pyspark-3.5.3.tar.gz", hash = "sha256:68b7cc0c0c570a7d8644f49f40d2da8709b01d30c9126cc8cf93b4f84f3d9747"},
+    {file = "pyspark-3.5.4.tar.gz", hash = "sha256:1c2926d63020902163f58222466adf6f8016f6c43c1f319b8e7a71dbaa05fc51"},
 ]
 
 [package.dependencies]