diff --git a/asterisk.spec b/asterisk.spec
index 5a0da5e..1a08cda 100644
--- a/asterisk.spec
+++ b/asterisk.spec
@@ -1,5 +1,5 @@
 Name:          asterisk
-Version:       18.3.0
+Version:       18.4.0
 Release:       1mamba
 Summary:       Asterisk PBX
 Group:         System/Telephony
@@ -16,7 +16,6 @@ Patch4:        asterisk-11.2.1-libpt-2.10.9-1.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 BuildRequires: libSDL-devel
 BuildRequires: libSDL_image-devel
 BuildRequires: libX11-devel
@@ -52,6 +51,7 @@ BuildRequires: libproxy-devel
 BuildRequires: libradiusclient-ng-devel
 BuildRequires: librpm-devel
 BuildRequires: libspeex-devel
+BuildRequires: libspeexdsp-devel
 BuildRequires: libsqlite-devel
 BuildRequires: libsqlite2-devel
 BuildRequires: libsrtp-devel
@@ -59,6 +59,7 @@ BuildRequires: libstdc++6-devel
 BuildRequires: libsystemd-devel
 BuildRequires: libtermcap-devel
 BuildRequires: libunbound-devel
+BuildRequires: liburiparser-devel
 BuildRequires: libuuid-devel
 BuildRequires: libvorbis-devel
 BuildRequires: libvpx-devel
@@ -177,6 +178,9 @@ exit 0
 %doc BUGS ChangeLog
 
 %changelog
+* Sat May 08 2021 Automatic Build System <autodist@mambasoft.it> 18.4.0-1mamba
+- automatic version update by autodist
+
 * Sat Mar 27 2021 Automatic Build System <autodist@mambasoft.it> 18.3.0-1mamba
 - automatic version update by autodist