diff --git a/gmic.spec b/gmic.spec
index 8d932c0..889cf16 100644
--- a/gmic.spec
+++ b/gmic.spec
@@ -3,13 +3,13 @@
 %global use_system_cimg 1
 
 # As generated by new-snapshot.sh script
-%global zart_version 20180904git7430d41
-%global gmic_qt_version 20180904git9e992cf
-%global gmic_community_version 20180904gitd1c2f0d
+%global zart_version 20181016git7430d41
+%global gmic_qt_version 20181016gitdf267f6
+%global gmic_community_version 20181016git179cd24
 
 Summary: GREYC's Magic for Image Computing
 Name: gmic
-Version: 2.3.6
+Version: 2.4.0
 Release: 1%{?dist}
 Source0: https://gmic.eu/files/source/%{name}_%{version}.tar.gz
 # GIT archive snapshot of https://github.com/c-koi/zart
@@ -152,6 +152,9 @@ chmod -x $RPM_BUILD_ROOT/%{_sysconfdir}/bash_completion.d/gmic
 %{gimpplugindir}/gmic_film_cluts.gmz
 
 %changelog
+* Tue Oct 16 2018 Daniel P. Berrangé <berrange@redhat.com> - 2.4.0-1
+- Update to 2.4.0 release
+
 * Tue Sep  4 2018 Daniel P. Berrangé <berrange@redhat.com> - 2.3.6-1
 - Update to 2.3.6 release
 - Drop BuildRoot and Group tags
diff --git a/new-snapshot.sh b/new-snapshot.sh
index ca4b35c..712bcf7 100755
--- a/new-snapshot.sh
+++ b/new-snapshot.sh
@@ -27,6 +27,23 @@ function archive_it() {
     cd ..
 }
 
+function print_hash() {
+    name=$1
+
+    cd $name
+    HASH=`git rev-parse --short HEAD`
+
+    today=`date +"%Y%m%d"`
+
+    macro=`echo $name | sed -e 's/-/_/g'`
+    echo "%global ${macro}_version ${today}git${HASH}"
+    cd ..
+}
+
 archive_it zart https://github.com/c-koi/zart .
 archive_it gmic-qt https://github.com/c-koi/gmic-qt .
 archive_it gmic-community https://github.com/dtschump/gmic-community libcgmic
+
+print_hash zart
+print_hash gmic-qt
+print_hash gmic-community
diff --git a/sources b/sources
index 34214a4..b79632f 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-SHA512 (gmic_2.3.6.tar.gz) = c6dd7a4fc0ea02563b4994517cf9233d3514db7091401d22bd518ea497ff9d0ba9b8a493c2f12d7b7ff26e2304c4d32bb817c2748b67ab65b68d4226d2909c18
-SHA512 (gmic-community-20180904gitd1c2f0d.tar.gz) = 45a762c0cfcd71dbc6304d15316561cd0f60fc4ddd062891c4d16ba3f3dace726008876bd485b440d61477623d5233686e345535676a6b8dfb01b0812568d5b6
-SHA512 (gmic-qt-20180904git9e992cf.tar.gz) = dfb63997c503ac9f0e9305a54d340a93774d11cc73b60638213382ed745c029dffc3e5588b55b0791a66132a5d34dced9de3b2809bd13b19e97b965e966e0b7b
-SHA512 (zart-20180904git7430d41.tar.gz) = 723a3765648c54e1496d31206df484e5ffa0268ff1eb23125836bfa6c4e3393e9812078a8cec1902997298bfd4146f495619964382da5be508d9a7a717a98c56
+SHA512 (gmic_2.4.0.tar.gz) = 7ebdf961fe2b6e4ce842fae48a4d66b722c117dc0d015d0a07a2314f3b3c00584e0d7d50b112cbde2eac2e9ed339e2bd60932bbbf6ca63f5f5063a61dcfc4359
+SHA512 (zart-20181016git7430d41.tar.gz) = 723a3765648c54e1496d31206df484e5ffa0268ff1eb23125836bfa6c4e3393e9812078a8cec1902997298bfd4146f495619964382da5be508d9a7a717a98c56
+SHA512 (gmic-qt-20181016gitdf267f6.tar.gz) = 29e5d85970113c17184761f4c67e100357e56c9c12e2d137a9b7225db23fc60f778464cbc8db1b3a2d3b65a40c06bb32ce750453225c72f290354701fd173801
+SHA512 (gmic-community-20181016git179cd24.tar.gz) = 10ebe842e40f49211f0b1af4f2cbb4f8fb7ceca92e59acb56d307be87d1dd48e7cb8313c1e1dfdab7ce40bfb33872d0eebba34d09149d057346212423d8c0e10