diff --git a/requirements.txt b/requirements.txt
index b1b09b4..42ac318 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 numpy==1.16.1
 awkward>=0.8.14
 uproot>=3.4.5
-pyspark==2.4.0
+pyspark==3.3.2
 appdirs==1.4.3
 pyparsing==2.1.10
 fnal-column-analysis-tools>=0.2.5