diff --git a/configure.in b/configure.in
index dd6726c93..5d5b78a4e 100644
--- a/configure.in
+++ b/configure.in
@@ -61,7 +61,7 @@ AC_CHECK_SIZEOF(__int64)
 ## byte order
 AC_C_BIGENDIAN
 
-GTK_MIN_VERSION=2.90.7
+GTK_MIN_VERSION=2.91.7
 CANBERRA_GTK=libcanberra-gtk3
 CANBERRA_GTK_VERSION=0.26