diff --git a/requirements.txt b/requirements.txt
index 90b38c43f12a09986959d403ae20cc8ac4b1335a..81bca4449ad63617ed6725bc577a445cc3f1cdcf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 docopt
+numba
 uproot>=3.10.12
 setuptools_scm