--- a/python/mozboot/mozboot/base.py
+++ b/python/mozboot/mozboot/base.py
@@ -145,17 +145,17 @@ ac_add_options --enable-artifact-builds
 # This should match OLDEST_NON_LEGACY_VERSION from
 # the hg setup wizard in version-control-tools.
 MODERN_MERCURIAL_VERSION = LooseVersion('3.7.3')
 
 # Upgrade Python older than this.
 MODERN_PYTHON_VERSION = LooseVersion('2.7.3')
 
 # Upgrade rust older than this.
-MODERN_RUST_VERSION = LooseVersion('1.22.0')
+MODERN_RUST_VERSION = LooseVersion('1.23.0')
 
 
 class BaseBootstrapper(object):
     """Base class for system bootstrappers."""
 
     def __init__(self, no_interactive=False):
         self.package_manager_updated = False
         self.no_interactive = no_interactive