diff --git a/configure.ac b/configure.ac
index 11a21991..81bcb0a8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -178,7 +178,7 @@ dnl *********************************************************************
 dnl ** GLIB *************************************************************
 dnl *********************************************************************
 
-AM_PATH_GLIB_2_0(2.14.0, glib=yes, glib=no)
+AM_PATH_GLIB_2_0(2.20.0, glib=yes, glib=no)
 if test "$glib" = no; then
 	AC_MSG_ERROR(Cannot find GLib!)
 fi
diff --git a/share/doc/readme.md b/share/doc/readme.md
index ec2a6d9f..4fdacfc0 100644
--- a/share/doc/readme.md
+++ b/share/doc/readme.md
@@ -22,7 +22,7 @@ in general. HexChat runs on most BSD and POSIX compliant operating systems.
 ## Requirements:
 
  * GTK+ 2.14
- * GLib 2.14
+ * GLib 2.20
 
 HexChat is known to work on, at least: