diff --git a/python/test_requirements.txt b/python/test_requirements.txt
index 9e03e8d0..8961b2dc 100644
--- a/python/test_requirements.txt
+++ b/python/test_requirements.txt
@@ -7,4 +7,8 @@ PyHamcrest >= 1.8.0
 # This needs to be kept in sync with submodule checkout in
 # third_party/ycmd/third_party
 future     == 0.15.2
+# coverage.py 4.4 removed the path from the filename attribute in its reports.
+# This leads to incorrect coverage from codecov as it relies on this attribute
+# to find the source file.
+coverage   <  4.4
 codecov    >= 2.0.5