diff --git a/requirements.txt b/requirements.txt
index d11bcbe8cfbda5719cfee236238e2060d616d81b..4440d00a0cd4d1e255f074b57fb1821c9677fb5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 docopt
 numba
-awkward1
+awkward1>=0.2.13
 uproot>=3.11.1
 setuptools_scm