diff --git a/test-requirements.txt b/test-requirements.txt
index 2f96e82..83d9a84 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,7 @@
 hacking>=6.1.0,<6.2.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
-flake8-import-order>=0.18.0,<0.19.0 # LGPLv3
+flake8-import-order~=0.19.0 # LGPLv3
 sphinx>=2.0.0,!=2.1.0 # BSD
 openstackdocstheme>=2.2.1 # Apache-2.0
 reno>=3.1.0 # Apache-2.0