diff --git a/pyproject.toml b/pyproject.toml
index a6d4a8b..f6e8564 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ packages = ["py2bitTest"]
 
 # Target only minimum CPython version 3.9 on linux for wheel build
 [tool.cibuildwheel]
-skip = "pp* cp38-* *-manylinux_i686 *_ppc64le *_s390x *-musllinux_x86_64 *-musllinux_i686"
+skip = "pp* cp36-* cp37-* cp38-* *-manylinux_i686 *_ppc64le *_s390x *-musllinux_x86_64 *-musllinux_i686"
 
 [tool.cibuildwheel.linux]
 manylinux-x86_64-image = "manylinux2014"