diff --git a/configure.ac b/configure.ac
index 884db5d4e..edf54722c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,8 +3,8 @@
 
 AC_PREREQ(2.53)
 AC_INIT(ejabberd, m4_esyscmd([echo `git describe --tags 2>/dev/null || echo 0.0` | sed 's/-g.*//;s/-/./' | tr -d '\012']), [ejabberd@process-one.net], [ejabberd])
-REQUIRE_ERLANG_MIN="6.1 (Erlang/OTP 17.1)"
-REQUIRE_ERLANG_MAX="9.0.0 (No Max)"
+REQUIRE_ERLANG_MIN="6.4 (Erlang/OTP 17.5)"
+REQUIRE_ERLANG_MAX="100.0.0 (No Max)"
 
 AC_CONFIG_MACRO_DIR([m4])