diff --git a/INSTALL b/INSTALL
index 4b20c1ba..5f2bb0f1 100644
--- a/INSTALL
+++ b/INSTALL
@@ -4,7 +4,7 @@
 
 To compile irssi you need:
 
-- glib-2.6 or greater
+- glib-2.28 or greater
 - pkg-config
 - openssl (for ssl support)
 - perl-5.6 or greater (for perl support)
diff --git a/configure.ac b/configure.ac
index 04e2b0b3..00643522 100644
--- a/configure.ac
+++ b/configure.ac
@@ -258,7 +258,7 @@ for try in 1 2; do
     echo "*** trying without -lgmodule"
     glib_modules=
   fi
-  AM_PATH_GLIB_2_0(2.16.0,,, $glib_modules)
+  AM_PATH_GLIB_2_0(2.28.0,,, $glib_modules)
   if test "$GLIB_LIBS"; then
     if test $glib_modules = gmodule; then
       AC_DEFINE(HAVE_GMODULE)