diff --git a/requirements/prod.txt b/requirements/prod.txt
index 2d489ef..a2458e4 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -6,7 +6,7 @@ urllib3>=1.24.1,<2.0
 keyring>=17.0.0,<22.0
 kombu>=4.2.1
 lxml>=4.2.5,<5.0
-lz4>=2.1.2,<4.0
+lz4==4.4.5
 openpyxl>=2.5.0,<4.0
 pyexcel>=0.5.15,<0.7.0
 pyexcel-io>=0.5.10,<0.6.0