diff --git a/rubygem-cairo.spec b/rubygem-cairo.spec
index 926a63e..98412d1 100644
--- a/rubygem-cairo.spec
+++ b/rubygem-cairo.spec
@@ -2,7 +2,7 @@
 %global	header_dir	%{ruby_vendorarchdir}
 
 %global	gem_name		cairo
-%global	gemver		1.17.7
+%global	gemver		1.17.8
 #%%global	gem_githash	af3e3fc059
 
 %global	need_test_bootstrap	0
@@ -181,6 +181,9 @@ ruby ./test/run-test.rb
 %{header_dir}/rb_cairo.h
 
 %changelog
+* Sun Sep  4 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.17.8-1
+- 1.17.8
+
 * Thu Aug  4 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.17.7-1
 - 1.17.7
 
diff --git a/sources b/sources
index 3fcbed0..fad12d2 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (cairo-1.17.7.gem) = 0a70bfe6e06ef566bd11b9d9bcda97758809081650015b59ff340d49effab9995d59e3b798291c2ef1c29cd6b8ca44cdefee8199c293f7cbce03cee853d19b2b
-SHA512 (rcairo-1.17.7-test-missing-files.tar.gz) = c97910fc3d12c69f59bffa3654211746ad0317a537359d160ddefacca2c265e820369356c259381eb489e5bba902f57f3a73de74f39dd18ad8689a7d51ca55ef
+SHA512 (cairo-1.17.8.gem) = a2b756dc1cf1abb98e4b60b9b56f5f610058bd840b67c991d6bfb3da2523b0f77a5854147f9d14ca461d573e51fbe3ba35c83659af5c031086710970fac6665a
+SHA512 (rcairo-1.17.8-test-missing-files.tar.gz) = b97e6769042b29fdf95f49bd288e6d4155869db31ca60297ffa7207586a5e579059447166d0e97322d8fe6f6b7af15ed26a8d74036fe27ac42072aede8a25f00