diff --git a/.gitignore b/.gitignore
index 0b9ef35..7c2c662 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,4 @@
 /gstreamer-3.3.6.gem
 /gstreamer-3.3.7.gem
 /gstreamer-3.3.8.gem
+/gstreamer-3.4.0.gem
diff --git a/rubygem-gstreamer.spec b/rubygem-gstreamer.spec
index 6057a4f..1ca32a5 100644
--- a/rubygem-gstreamer.spec
+++ b/rubygem-gstreamer.spec
@@ -11,7 +11,7 @@
 
 Summary:	Ruby binding of GStreamer
 Name:		rubygem-%{gem_name}
-Version:	3.3.8
+Version:	3.4.0
 Release:	1%{?dist}
 # from README
 License:	LGPLv2
@@ -66,7 +66,7 @@ gem unpack %{SOURCE0}
 gem spec %{SOURCE0} -l --ruby > %{gem_name}.gemspec
 
 # Allow ruby-gnome2 no less than ones
-sed -i -e 's|= 3\.3\.8|>= 3.3.8|' %{gem_name}.gemspec
+sed -i -e 's|= 3\.4\.0|>= 3.4.0|' %{gem_name}.gemspec
 
 # Fix wrong shebang
 #grep -rl /usr/local/bin sample | \
@@ -151,6 +151,9 @@ popd
 %exclude	%{gem_instdir}/test/
 
 %changelog
+* Mon Oct 14 2019 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.4.0-1
+- 3.4.0
+
 * Thu Oct  3 2019 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.3.8-1
 - 3.3.8
 
diff --git a/sources b/sources
index 11f1654..3e125f4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gstreamer-3.3.8.gem) = 946a080f73d26adc65c5b569ff6d08ab88172cf33f71da816e9b8347fb35460039c2627b37b26fb2480910357532ee3dc520359400f9dd54b09d339fab680700
+SHA512 (gstreamer-3.4.0.gem) = e7a2bb512c107f17e553bda293ec6586eb98e7c84ae4b7af4e87949957f414b62d57ff648bed2f9c69d371e58893b0423fdb18919664f276c48701d31bd51d48