diff --git a/aegisub/autogen.sh b/aegisub/autogen.sh
index 572effc8e..d38f0eb01 100755
--- a/aegisub/autogen.sh
+++ b/aegisub/autogen.sh
@@ -25,7 +25,7 @@ INTLTOOL_REQUIRED_VERSION=0.31
 LIBTOOL_REQUIRED_VERSION=1.5
 
 REQUIRED_M4="fontutil.m4 glib-gettext.m4 intltool.m4 intl.m4 pkg.m4 iconv.m4"
-REQUIRED_M4_WX="wxwin.m4 wxwin28.m4"
+REQUIRED_M4_WX="wxwin29.m4 wxwin.m4"
 
 PROJECT="aegisub"
 
diff --git a/aegisub/configure.in b/aegisub/configure.in
index 919e566ed..d29aff8eb 100644
--- a/aegisub/configure.in
+++ b/aegisub/configure.in
@@ -26,7 +26,7 @@ m4_define([pulseaudio_required_version], [0.5])
 m4_define([fontconfig_required_version], [2.4])
 m4_define([freetype_required_version], [9.7.0])
 m4_define([pkgconfig_required_version], [0.20])
-m4_define([wx_required_version], [2.8.1])
+m4_define([wx_required_version], [2.9.0])
 
 
 #######
@@ -812,8 +812,11 @@ AM_CONDITIONAL([HAVE_AUTOMATION], [test "$with_automation" = "yes"])
 ################
 # Widget support
 ################
-AM_OPTIONS_WXCONFIG
-AM_PATH_WXCONFIG(wx_required_version, [have_wxconfig="yes"], [have_wxconfig="no"], [std,gl,stc], [--unicode])
+WX_CONFIG_OPTIONS
+WX_STANDARD_OPTIONS([debug])
+WX_DEBUG=$DEBUG
+WX_UNICODE=$UNICODE
+WX_CONFIG_CHECK([wx_required_version],,,[std,gl,stc],[$WXCONFIG_FLAGS])
 
 if test "$have_wxconfig" = "no"; then
   AC_MSG_FAILURE([wxWidgets detection failed, please set --with-wx* or add the libraries to your LDFLAGS, CXX/CFLAGS.])