diff --git a/gmic.spec b/gmic.spec
index d06ab83..c378d59 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 20190418git51f9d2d
-%global gmic_qt_version 20190418git507a40e
-%global gmic_community_version 20190418git31faaa2
+%global zart_version 20190528git6e98a35
+%global gmic_qt_version 20190528gitf2badba
+%global gmic_community_version 20190528gitbba31ea
 
 Summary: GREYC's Magic for Image Computing
 Name: gmic
-Version: 2.5.7
+Version: 2.6.4
 Release: 1%{?dist}
 Source0: https://gmic.eu/files/source/%{name}_%{version}.tar.gz
 # GIT archive snapshot of https://github.com/c-koi/zart
@@ -156,6 +156,9 @@ chmod -x $RPM_BUILD_ROOT/%{_sysconfdir}/bash_completion.d/gmic
 %{gimpplugindir}/gmic_cluts.gmz
 
 %changelog
+* Tue May 28 2019 josef radinger <cheese@nosuchhost.net> - 2.6.4-1
+- bump version
+
 * Thu Apr 18 2019 josef radinger <cheese@nosuchhost.net> - 2.5.7-1
 - bump version
 
diff --git a/sources b/sources
index 1d9a8d6..1b00e28 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-SHA512 (gmic-community-20190418git31faaa2.tar.gz) = 16ab43d1855ec7c12e8e9eb41b17271428669388135e7ffc7e06ea2761f9f940400fbeb9f909826b091c371a806ed7e0eec683a7aee2b55fd0938f71b5c0b56f
-SHA512 (gmic-qt-20190418git507a40e.tar.gz) = 03b7b7108f4551ab1928cd4c71d6fbee53608cba9432d4d11915ca6315a2ca2d226949855c3ba321fe3e0b2293e7b2cfcf6686c066b8318720f6527d396e9a0d
-SHA512 (zart-20190418git51f9d2d.tar.gz) = b9405fe8a9700b73abe89fd80c4e45426abbf3fcde5ed3dd8201e2535cdcd3eac5475d40b6c6e34260fd7e47257e78ce2f757fbfb0d4952182114550531180c3
-SHA512 (gmic_2.5.7.tar.gz) = cab58245050e47b12b2759a4e928aa30739eccfff6eb07ae60e848e706997317f32111b31cbb0b179c331215875aa2a37e2b133925a24de5ab9903882ad70ba8
+SHA512 (gmic-community-20190528gitbba31ea.tar.gz) = 11910431731d666e64cada77c1b5c1a2356c4c69e8ec64bbdfd429aaf15bbc4ffe43bc11d51c8101bf4b4c668234e22e5c7394e05327935e2ffd9f57a6f4bdb4
+SHA512 (gmic-qt-20190528gitf2badba.tar.gz) = 5a62c7587590d2c45b5956a263e1ab1e5bae5d8fda540ad9e06c36beb899f168a05b6b16888b39d29879d51d361e019deb432421bf2751542f34461c21b72445
+SHA512 (zart-20190528git6e98a35.tar.gz) = 0bb0758e116e6b4e08060f8680604854f9be311618f2dd020fc32592823f48cb18327f304d34261804481e79e089b4a5461b7c4f0930aea0d17bc466443027b7
+SHA512 (gmic_2.6.4.tar.gz) = 017216281c7c53780bccab7fbeadb96249ce8b3318bfd6e727ed93cef27364e2ef4bd8dc622cd9688107788bc6b2e06a61ae04a80e1dce6f499f4b3f7e430229