diff --git a/configure.ac b/configure.ac
index 54fe1fc5..d9e3ea24 100644
--- a/configure.ac
+++ b/configure.ac
@@ -66,8 +66,8 @@ MAINTAINER_COMPILER_FLAGS="$MAINTAINER_COMPILER_FLAGS                        \
 MAINTAINER_COMPILER_FLAGS=${MAINTAINER_COMPILER_FLAGS#*  }
 AC_SUBST(MAINTAINER_COMPILER_FLAGS)
 
-GLIB_MIN_VERSION=2.37.3
-GTK_MIN_VERSION=3.9.6
+GLIB_MIN_VERSION=2.40.0
+GTK_MIN_VERSION=3.14.0
 ECAL_REQUIRED=3.5.3
 EDATASERVER_REQUIRED=3.5.3
 EDATASERVERUI_REQUIRED=3.5.3