diff --git a/plugins/python-build/share/python-build/3.15.0a8 b/plugins/python-build/share/python-build/3.15.0b1
similarity index 61%
rename from plugins/python-build/share/python-build/3.15.0a8
rename to plugins/python-build/share/python-build/3.15.0b1
index f68aa884..24ab70cb 100644
--- a/plugins/python-build/share/python-build/3.15.0a8
+++ b/plugins/python-build/share/python-build/3.15.0b1
@@ -4,7 +4,7 @@ export PYTHON_BUILD_TCLTK_USE_PKGCONFIG=1
 install_package "openssl-3.6.2" "https://github.com/openssl/openssl/releases/download/openssl-3.6.2/openssl-3.6.2.tar.gz#aaf51a1fe064384f811daeaeb4ec4dce7340ec8bd893027eee676af31e83a04f" 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-3.15.0a8" "https://www.python.org/ftp/python/3.15.0/Python-3.15.0a8.tar.xz#28f1b6358609042ebcc81488ec24569519f50804bb07dc23cc707b281b031c69" standard verify_py315 copy_python_gdb ensurepip
+    install_package "Python-3.15.0b1" "https://www.python.org/ftp/python/3.15.0/Python-3.15.0b1.tar.xz#d4d52ccfa1d727ef5235fbb7d70fa1dbacf10b8b3760db622875da05acbe437c" standard verify_py315 copy_python_gdb ensurepip
 else
-    install_package "Python-3.15.0a8" "https://www.python.org/ftp/python/3.15.0/Python-3.15.0a8.tgz#1aadddd942e7c80e92fd2d83ab36887cec860c48fa9a2b47efe8c5acaa4a29f3" standard verify_py315 copy_python_gdb ensurepip
+    install_package "Python-3.15.0b1" "https://www.python.org/ftp/python/3.15.0/Python-3.15.0b1.tgz#9b41271890067875db7f0f5cb2fdcb944b90c473f272a18a13b93c059d84c68e" standard verify_py315 copy_python_gdb ensurepip
 fi
diff --git a/plugins/python-build/share/python-build/3.15.0a8t b/plugins/python-build/share/python-build/3.15.0b1t
similarity index 100%
rename from plugins/python-build/share/python-build/3.15.0a8t
rename to plugins/python-build/share/python-build/3.15.0b1t