diff --git a/google-cloud-spanner/Gemfile.lock b/google-cloud-spanner/Gemfile.lock
index a7c2ba50..2bd4a276 100644
--- a/google-cloud-spanner/Gemfile.lock
+++ b/google-cloud-spanner/Gemfile.lock
@@ -7,7 +7,7 @@ PATH
       google-cloud-core (~> 1.7)
       google-cloud-spanner-admin-database-v1 (~> 1.4)
       google-cloud-spanner-admin-instance-v1 (~> 1.6)
-      google-cloud-spanner-v1 (~> 1.6)
+      google-cloud-spanner-v1 (~> 1.12)
 
 GEM
   remote: https://rubygems.org/
diff --git a/google-cloud-spanner/google-cloud-spanner.gemspec b/google-cloud-spanner/google-cloud-spanner.gemspec
index 219adb61..9d2bbdc1 100644
--- a/google-cloud-spanner/google-cloud-spanner.gemspec
+++ b/google-cloud-spanner/google-cloud-spanner.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |gem|
   gem.add_dependency "google-cloud-core", "~> 1.7"
   gem.add_dependency "google-cloud-spanner-admin-database-v1", "~> 1.4"
   gem.add_dependency "google-cloud-spanner-admin-instance-v1", "~> 1.6"
-  gem.add_dependency "google-cloud-spanner-v1", "~> 1.6"
+  gem.add_dependency "google-cloud-spanner-v1", "~> 1.12"
 end