diff --git a/gtk-vnc.rb b/gtk-vnc.rb
index 7b7e63a..588cc3e 100644
--- a/gtk-vnc.rb
+++ b/gtk-vnc.rb
@@ -1,7 +1,7 @@
 class GtkVnc < Formula
   homepage "https://wiki.gnome.org/Projects/gtk-vnc"
   url "https://download.gnome.org/sources/gtk-vnc/0.5/gtk-vnc-0.5.4.tar.xz"
-  sha1 "7d7b3bd8459d2daef9b4b4e6adaeb78e879c0aa0"
+  sha256 "488aa97a76ce6868160699cd45d4a0ee0fe6f0ad4631737c6ddd84450f6c9ce7"
 
   depends_on "gobject-introspection" => :build
   depends_on "intltool" => :build
diff --git a/libosinfo.rb b/libosinfo.rb
index 153553d..7dc05fe 100644
--- a/libosinfo.rb
+++ b/libosinfo.rb
@@ -1,7 +1,7 @@
 class Libosinfo < Formula
   homepage "https://libosinfo.org/"
   url "https://fedorahosted.org/releases/l/i/libosinfo/libosinfo-0.2.11.tar.gz"
-  sha1 "5123247ce495136df8cae6bf889b70c43ab33f17"
+  sha256 "bb6ba136756b26045ba3ed9b3c1b0920a639dd80b007769a1df356d8e2fe0921"
 
   depends_on "pkg-config" => :build
   depends_on "intltool" => :build
diff --git a/libvirt-glib.rb b/libvirt-glib.rb
index 37f3a04..b60d334 100644
--- a/libvirt-glib.rb
+++ b/libvirt-glib.rb
@@ -1,7 +1,7 @@
 class LibvirtGlib < Formula
   homepage "https://libvirt.org/"
   url "https://libvirt.org/sources/glib/libvirt-glib-0.1.9.tar.gz"
-  sha1 "ad54f51bf2afd5c7a23b7ee81a43dc7e61eadce2"
+  sha256 "053b36260ea70d740e27fe99ac67d714d23cf93d563c3342fa00593ec185a958"
 
   depends_on "pkg-config" => :build
   depends_on "intltool" => :build
diff --git a/spice-gtk.rb b/spice-gtk.rb
index 1d56f73..bee466b 100644
--- a/spice-gtk.rb
+++ b/spice-gtk.rb
@@ -1,7 +1,7 @@
 class SpiceGtk < Formula
   homepage "http://www.spice-space.org/home.html"
   url "http://www.spice-space.org/download/gtk/spice-gtk-0.26.tar.bz2"
-  sha1 "c84ffe620cc5b7c9f91ffaef4e4371636b472fa1"
+  sha256 "d61cabeb4ae03afb5bb921139491d1088ca0cdf77c7e70b8039fe62c2246e3f9"
 
   depends_on "gobject-introspection" => :build
   depends_on "intltool" => :build
diff --git a/virt-manager.rb b/virt-manager.rb
index f7f5f6a..7719e6d 100644
--- a/virt-manager.rb
+++ b/virt-manager.rb
@@ -1,7 +1,7 @@
 class VirtManager < Formula
   homepage "https://virt-manager.org/"
   url "https://virt-manager.org/download/sources/virt-manager/virt-manager-1.1.0.tar.gz"
-  sha1 "01b80584dad46fc79e57ecc3af4096332ab83fce"
+  sha256 "ab0906cb15a132f1893f89ac4ca211c6c2c9c2d1860fbc285edbf9451c0f7941"
 
   depends_on "pkg-config" => :build
   depends_on "intltool" => :build
@@ -27,23 +27,23 @@ class VirtManager < Formula
 
   resource "libvirt-python" do
     url "https://libvirt.org/sources/python/libvirt-python-1.2.14.tar.gz"
-    sha1 "1a3b5985d3db1b8d29da5486cc7c65a9bb91da03"
+    sha256 "0dc3c2bd8eeb570921e7c5cc7cfc202795e5ffd63b0f356ae89dbe0575ee0581"
   end
 
   # dependency of urlgrabber
   resource "pycurl" do
     url "https://pypi.python.org/packages/source/p/pycurl/pycurl-7.19.5.tar.gz"
-    sha1 "ec36d55a99db9a49fede3bfa27ee16a4f5dc7bef"
+    sha256 "69a0aa7c9dddbfe4cebf4d1f674c490faccf739fc930d85d8990ce2fd0551a43"
   end
 
   resource "urlgrabber" do
     url "https://pypi.python.org/packages/source/u/urlgrabber/urlgrabber-3.9.1.tar.gz"
-    sha1 "3d4e7d38f268a9b652f695a1d87e50aef1a3485c"
+    sha256 "b4e276fa968c66671309a6d754c4b3b0cb2003dec8bca87a681378a22e0d3da7"
   end
 
   resource "ipaddr" do
     url "https://pypi.python.org/packages/source/i/ipaddr/ipaddr-2.1.11.tar.gz"
-    sha1 "f9a16ddb3cf774b8dcf8894c2f4295c4e17d0ed3"
+    sha256 "1b555b8a8800134fdafe32b7d0cb52f5bdbfdd093707c3dd484c5ea59f1d98b7"
   end
 
   patch :DATA # fix shebangs