diff --git a/dev-python/bottle/bottle-0.12.18.ebuild b/dev-python/bottle/bottle-0.12.18.ebuild
index ac258120d0854..1e518dc8bb123 100644
--- a/dev-python/bottle/bottle-0.12.18.ebuild
+++ b/dev-python/bottle/bottle-0.12.18.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 
-PYTHON_COMPAT=( python2_7 python3_{6,7,8} pypy3 )
+PYTHON_COMPAT=( python2_7 python3_{6,7,8,9} pypy3 )
 
 inherit distutils-r1 eutils