diff --git a/contrib/linux_build_toolchain.sh b/contrib/linux_build_toolchain.sh
index 85ae352f..d8fdeacf 100644
--- a/contrib/linux_build_toolchain.sh
+++ b/contrib/linux_build_toolchain.sh
@@ -119,7 +119,7 @@ CT_LOG_EXTRA=y
 CT_LOG_LEVEL_MAX="EXTRA"
 CT_GDB_CROSS_PYTHON=y
 CT_GDB_CROSS_PYTHON_VARIANT=y
-CT_GDB_CROSS_PYTHON_BINARY="python3.8"
+CT_GDB_CROSS_PYTHON_BINARY="python3.10"
 CT_EXPERIMENTAL=y
 CT_ALLOW_BUILD_AS_ROOT=y
 CT_ALLOW_BUILD_AS_ROOT_SURE=y