diff --git a/plugins/python-build/share/python-build/3.4.8rc1 b/plugins/python-build/share/python-build/3.4.8rc1
new file mode 100644
index 00000000..d3e2845e
--- /dev/null
+++ b/plugins/python-build/share/python-build/3.4.8rc1
@@ -0,0 +1,8 @@
+#require_gcc
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
+install_package "readline-6.3" "https://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+if has_tar_xz_support; then
+  install_package "Python-3.4.8rc1" "https://www.python.org/ftp/python/3.4.8/Python-3.4.8rc1.tar.xz#12f70493de116887a75e49ce88c1ba9aed76c0350e612e96676fd6b1f3c957ef" ldflags_dirs standard verify_py34 ensurepip
+else
+  install_package "Python-3.4.8rc1" "https://www.python.org/ftp/python/3.4.8/Python-3.4.8rc1.tgz#58d7739843d713b77dee478d7eadc358bf2d6648e6a667a1f8c21ace4c982c73" ldflags_dirs standard verify_py34 ensurepip
+fi
diff --git a/plugins/python-build/share/python-build/3.5.5rc1 b/plugins/python-build/share/python-build/3.5.5rc1
new file mode 100644
index 00000000..06dcbca0
--- /dev/null
+++ b/plugins/python-build/share/python-build/3.5.5rc1
@@ -0,0 +1,8 @@
+#require_gcc
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
+install_package "readline-6.3" "https://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+if has_tar_xz_support; then
+  install_package "Python-3.5.5rc1" "https://www.python.org/ftp/python/3.5.5/Python-3.5.5rc1.tar.xz#e30ca77929c859c25cd19afafa247c63d6046ec06a7f8fe6e316e6ed62781b3e" ldflags_dirs standard verify_py35 ensurepip
+else
+  install_package "Python-3.5.5rc1" "https://www.python.org/ftp/python/3.5.5/Python-3.5.5rc1.tgz#95182d74ba96bbed4db3f01fc0b9defcc90bf0acdf36c3713be4dc1d4056d4cc" ldflags_dirs standard verify_py35 ensurepip
+fi