diff --git a/test-requirements.txt b/test-requirements.txt
index 793ff30e3..1f2799a7d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
-lz4==2.1.10
+lz4==2.2.1
 lz4tools==1.3.1.2
 pytest==4.6.2
 pytest-cov