diff --git a/dev-python/csv23/csv23-0.3.1.ebuild b/dev-python/csv23/csv23-0.3.1.ebuild
index c943c61bccc39..afd6b765ddd2a 100644
--- a/dev-python/csv23/csv23-0.3.1.ebuild
+++ b/dev-python/csv23/csv23-0.3.1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 
-PYTHON_COMPAT=( python{2_7,3_{6,7,8}} pypy3 )
+PYTHON_COMPAT=( python{2_7,3_{6,7,8,9}} pypy3 )
 inherit distutils-r1
 
 DESCRIPTION="Python 2/3 unicode CSV compatibility layer"