diff --git a/dev-python/pytest-relaxed/pytest-relaxed-1.1.4.ebuild b/dev-python/pytest-relaxed/pytest-relaxed-1.1.4.ebuild
index c5682952917b3..5fc6498d150e1 100644
--- a/dev-python/pytest-relaxed/pytest-relaxed-1.1.4.ebuild
+++ b/dev-python/pytest-relaxed/pytest-relaxed-1.1.4.ebuild
@@ -3,7 +3,8 @@
 
 EAPI=7
 
-PYTHON_COMPAT=( python2_7 python3_{5,6,7} )
+# Because of its <pytest-3.3 constraint, python3_7 can't be added
+PYTHON_COMPAT=( python2_7 python3_{5,6} )
 
 inherit distutils-r1