diff --git a/requirements-dev.txt b/requirements-dev.txt
index fc1308a..f2a8626 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 # pyspark
-pyspark==3.5.7; python_version < "3.10"
+pyspark==4.1.0; python_version < "3.10"
 pyspark==4.1.0; python_version >= "3.10"
 # linters
 flake8==7.3.0