diff --git a/srcpkgs/libgsm/template b/srcpkgs/libgsm/template
index 7f273b909c9..c7b0b3e911b 100644
--- a/srcpkgs/libgsm/template
+++ b/srcpkgs/libgsm/template
@@ -1,14 +1,14 @@
 # Template file for 'libgsm'
 pkgname=libgsm
-version=1.0.17
+version=1.0.18
 revision=1
-wrksrc="gsm-1.0-pl17"
+wrksrc="gsm-1.0-pl18"
 homepage="http://www.quut.com/gsm/"
 distfiles="http://www.quut.com/gsm/gsm-${version}.tar.gz"
 short_desc="GSM 06.10 lossy speech compression"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
-license="BSD"
-checksum=855a57d1694941ddf3c73cb79b8d0b3891e9c9e7870b4981613b734e1ad07601
+license="custom"
+checksum=04f68087c3348bf156b78d59f4d8aff545da7f6e14f33be8f47d33f4efae2a10
 
 do_build() {
 	make CC=$CC LD=$CC AR=$AR CCFLAGS="$CFLAGS -c -DNeedFunctionPrototypes=1"