diff --git a/requirements.txt b/requirements.txt
index 8eaca71..9134448 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 docopt==0.6.2
 numpy==1.17.2
-pyspark==2.3.3
+pyspark==2.4.4
 mock==2.0.0
 pandas==0.24.1
 pyarrow==0.13.0
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 7c9f8f3..23c81f4 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 docopt==0.6.2
 numpy==1.17.2
-pyspark==2.3.3
+pyspark==2.4.4
 mock==2.0.0
 pandas==0.24.1
 pyarrow==0.13.0