diff --git a/dev-python/nbval/nbval-0.9.1.ebuild b/dev-python/nbval/nbval-0.9.1.ebuild
index eaae713d874e3..53372f1f3414f 100644
--- a/dev-python/nbval/nbval-0.9.1.ebuild
+++ b/dev-python/nbval/nbval-0.9.1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 
-PYTHON_COMPAT=( python3_{6,7} )
+PYTHON_COMPAT=( python3_7 )
 
 inherit distutils-r1