diff --git a/plugins/python-build/share/python-build/3.15-dev b/plugins/python-build/share/python-build/3.15-dev
index d9681694..71d8d739 100644
--- a/plugins/python-build/share/python-build/3.15-dev
+++ b/plugins/python-build/share/python-build/3.15-dev
@@ -3,6 +3,6 @@ export PYTHON_BUILD_CONFIGURE_WITH_OPENSSL=1
 export PYTHON_BUILD_TCLTK_USE_PKGCONFIG=1
 export PYTHON_BUILD_TCLTK_USE_PKGCONFIG=1
 export PYTHON_BUILD_CONFIGURE_WITH_DSYMUTIL=1
-install_package "openssl-3.5.1" "https://github.com/openssl/openssl/releases/download/openssl-3.5.1/openssl-3.5.1.tar.gz#529043b15cffa5f36077a4d0af83f3de399807181d607441d734196d889b641f" mac_openssl --if has_broken_mac_openssl
-install_package "readline-8.2" "https://ftpmirror.gnu.org/readline/readline-8.2.tar.gz#3feb7171f16a84ee82ca18a36d7b9be109a52c04f492a053331d7d1095007c35" mac_readline --if has_broken_mac_readline
+install_package "openssl-3.6.0" "https://github.com/openssl/openssl/releases/download/openssl-3.6.0/openssl-3.6.0.tar.gz#b6a5f44b7eb69e3fa35dbf15524405b44837a481d43d81daddde3ff21fcbb8e9" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.3" "https://ftpmirror.gnu.org/readline/readline-8.3.tar.gz#fe5383204467828cd495ee8d1d3c037a7eba1389c22bc6a041f627976f9061cc" mac_readline --if has_broken_mac_readline
 install_git "Python-3.15-dev" "https://github.com/python/cpython" main standard verify_py315 copy_python_gdb ensurepip
diff --git a/plugins/python-build/share/python-build/3.15.0a1 b/plugins/python-build/share/python-build/3.15.0a1
new file mode 100644
index 00000000..43a43940
--- /dev/null
+++ b/plugins/python-build/share/python-build/3.15.0a1
@@ -0,0 +1,10 @@
+prefer_openssl3
+export PYTHON_BUILD_CONFIGURE_WITH_OPENSSL=1
+export PYTHON_BUILD_TCLTK_USE_PKGCONFIG=1
+install_package "openssl-3.6.0" "https://github.com/openssl/openssl/releases/download/openssl-3.6.0/openssl-3.6.0.tar.gz#b6a5f44b7eb69e3fa35dbf15524405b44837a481d43d81daddde3ff21fcbb8e9" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.3" "https://ftpmirror.gnu.org/readline/readline-8.3.tar.gz#fe5383204467828cd495ee8d1d3c037a7eba1389c22bc6a041f627976f9061cc" mac_readline --if has_broken_mac_readline
+if has_tar_xz_support; then
+    install_package "Python-3.15.0a1" "https://www.python.org/ftp/python/3.15.0/Python-3.15.0a1.tar.xz#3194939d488eeaeefdcf990d35542d9ad1ce788789c4e2305a2060eb7058e5a4" standard verify_py314 copy_python_gdb ensurepip
+else
+    install_package "Python-3.15.0a1" "https://www.python.org/ftp/python/3.15.0/Python-3.15.0a1.tgz#d70f3895c97db60d058bbdfa3a55fadd385bcb1c1269e686040858e3c109c993" standard verify_py314 copy_python_gdb ensurepip
+fi
diff --git a/plugins/python-build/share/python-build/3.15.0a1t b/plugins/python-build/share/python-build/3.15.0a1t
new file mode 100644
index 00000000..518be93e
--- /dev/null
+++ b/plugins/python-build/share/python-build/3.15.0a1t
@@ -0,0 +1,2 @@
+export PYTHON_BUILD_FREE_THREADING=1
+source "${BASH_SOURCE[0]%t}"