diff --git a/benchmarks/ecal_gaps/requirements.txt b/benchmarks/ecal_gaps/requirements.txt
index 738152dd..dc376fe2 100644
--- a/benchmarks/ecal_gaps/requirements.txt
+++ b/benchmarks/ecal_gaps/requirements.txt
@@ -4,4 +4,4 @@ dask_awkward
 dask_histogram
 distributed >= 2023
 pyhepmc
-uproot >= 5.2.0
+uproot ~= 5.2.0