diff --git a/metadata.rb b/metadata.rb
index b707940..88de156 100755
--- a/metadata.rb
+++ b/metadata.rb
@@ -23,8 +23,8 @@ end
 
 depends 'mariadb', '~> 0.3.1'
 depends 'percona', '~> 0.16.1'
-depends 'mysql', '~> 6.0.13'
-depends 'mysql2_chef_gem', '~> 1.0.1'
+depends 'mysql', '~> 7.2.0'
+depends 'mysql2_chef_gem', '~> 1.1.0'
 depends 'postgresql', '~> 3.4.18'
 depends 'database', '~> 4.0.2'
 depends 'openstack-common', '>= 14.0.0'
diff --git a/recipes/mysql-client.rb b/recipes/mysql-client.rb
index 59ea656..5763d81 100644
--- a/recipes/mysql-client.rb
+++ b/recipes/mysql-client.rb
@@ -28,6 +28,11 @@ mysql2_chef_gem 'default' do
   action :install
 end
 
+# Note(frickler): Work around for https://github.com/chef/chef-dk/issues/966
+bash 'fix gem ext dir' do
+  code "rmdir ~/.chefdk/gem/ruby/2.1.0/extensions && ln -s /opt/chefdk/embedded/lib/ruby/gems/2.1.0/extensions ~/.chefdk/gem/ruby/2.1.0/extensions || true"
+end
+
 node['openstack']['db']['python_packages']['mysql'].each do |pkg|
   package pkg
 end
diff --git a/spec/postgresql-server_spec.rb b/spec/postgresql-server_spec.rb
index 432ca26..3ed566f 100644
--- a/spec/postgresql-server_spec.rb
+++ b/spec/postgresql-server_spec.rb
@@ -12,7 +12,7 @@ describe 'openstack-ops-database::postgresql-server' do
       # The postgresql cookbook will raise an 'uninitialized constant
       # Chef::Application' error without this attribute when running
       # the tests
-      node.set_unless['postgresql']['password']['postgres'] = ''
+      node.set['postgresql']['password']['postgres'] = 'postgres_password'
 
       runner.converge(described_recipe)
     end
diff --git a/spec/server_spec.rb b/spec/server_spec.rb
index a8076c2..9640a50 100644
--- a/spec/server_spec.rb
+++ b/spec/server_spec.rb
@@ -18,7 +18,7 @@ describe 'openstack-ops-database::server' do
       # The postgresql cookbook will raise an 'uninitialized constant
       # Chef::Application' error without this attribute when running
       # the tests
-      node.set_unless['postgresql']['password']['postgres'] = ''
+      node.set['postgresql']['password']['postgres'] = 'postgres_password'
 
       expect(chef_run).to include_recipe(
         'openstack-ops-database::postgresql-server')