diff --git a/meson.build b/meson.build
index 27043e57..94e0eda3 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('geary', [ 'vala', 'c' ],
   version: '43.dev',
   license: 'LGPL2.1+',
-  meson_version: '>= 0.55',
+  meson_version: '>= 0.59',
 )
 
 # Determine the type of build
@@ -34,9 +34,9 @@ lib_dir = geary_prefix / get_option('libdir')
 locale_dir = geary_prefix / get_option('localedir')
 
 # Source dirs
-metadata_dir = meson.source_root() / 'bindings'/ 'metadata'
-po_dir = meson.source_root() / 'po'
-vapi_dir = meson.source_root() / 'bindings' / 'vapi'
+metadata_dir = meson.project_source_root() / 'bindings'/ 'metadata'
+po_dir = meson.project_source_root() / 'po'
+vapi_dir = meson.project_source_root() / 'bindings' / 'vapi'
 
 # Compiler configuration
 add_project_arguments([
@@ -153,7 +153,7 @@ if not libhandy.found()
       libhandy_project.get_variable('libhandy_vapi')
     ]
   )
-  libhandy_vapi = meson.build_root() / 'subprojects' / 'libhandy' / 'src'
+  libhandy_vapi = meson.project_build_root() / 'subprojects' / 'libhandy' / 'src'
 endif
 
 # Optional dependencies
diff --git a/src/meson.build b/src/meson.build
index 5c003413..50f12cdd 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -5,8 +5,8 @@ conf = configuration_data()
 conf.set_quoted('GETTEXT_PACKAGE', meson.project_name())
 conf.set_quoted('G_LOG_DOMAIN', meson.project_name())
 conf.set_quoted('_APP_ID', geary_id)
-conf.set_quoted('_BUILD_ROOT_DIR', meson.build_root())
-conf.set_quoted('_GSETTINGS_DIR', meson.build_root() / 'desktop')
+conf.set_quoted('_BUILD_ROOT_DIR', meson.project_build_root())
+conf.set_quoted('_GSETTINGS_DIR', meson.project_build_root() / 'desktop')
 conf.set_quoted('_INSTALL_PREFIX', geary_prefix)
 conf.set_quoted('_ISO_CODE_3166_XML', iso_3166_xml)
 conf.set_quoted('_ISO_CODE_639_XML', iso_639_xml)
@@ -15,7 +15,7 @@ conf.set_quoted('_NAME_SUFFIX', name_suffix)
 conf.set_quoted('_PLUGINS_DIR', plugins_dir)
 conf.set_quoted('_PROFILE', profile)
 conf.set_quoted('_REVNO', revno)
-conf.set_quoted('_SOURCE_ROOT_DIR', meson.source_root())
+conf.set_quoted('_SOURCE_ROOT_DIR', meson.project_source_root())
 conf.set_quoted('_VERSION', geary_version)
 conf.set_quoted('_WEB_EXTENSIONS_DIR', web_extensions_dir)
 configure_file(output: 'config.h', configuration: conf)