diff --git a/docker/Gemfile b/docker/Gemfile
new file mode 100644
index 0000000..cd67ec9
--- /dev/null
+++ b/docker/Gemfile
@@ -0,0 +1,15 @@
+source ENV['GEM_SOURCE'] || 'https://rubygems.org'
+
+gem 'vmpooler',                    '~> 3.0'
+gem 'vmpooler-dns-gcp',            '~> 1.0'
+# Remove temporarily until a stable minor release is published
+# gem 'vmpooler-provider-ec2',       '~> 0.0.1'
+gem 'vmpooler-provider-gce',       '~> 1.0'
+gem 'vmpooler-provider-vsphere',   '~> 3.0'
+
+# For development install via a git branch use something like:
+# gem 'vmpooler', git: 'https://github.com/puppetlabs/vmpooler.git', branch: 'my-feature'
+# gem 'vmpooler-dns-gcp', git: 'https://github.com/puppetlabs/vmpooler-dns-gcp.git', branch: 'my-feature'
+# gem 'vmpooler-provider-ec2', git: 'https://github.com/puppetlabs/vmpooler-provider-ec2.git', branch: 'my-feature'
+# gem 'vmpooler-provider-gce', git: 'https://github.com/puppetlabs/vmpooler-provider-gce.git', branch: 'my-feature'
+# gem 'vmpooler-provider-vsphere', git: 'https://github.com/puppetlabs/vmpooler-provider-vsphere.git', branch: 'my-feature'
diff --git a/docker/Gemfile.lock b/docker/Gemfile.lock
index 7732818..a4cb8df 100644
--- a/docker/Gemfile.lock
+++ b/docker/Gemfile.lock
@@ -1,19 +1,19 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.1)
+    addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     bindata (2.4.15)
     builder (3.2.4)
     concurrent-ruby (1.2.2)
-    connection_pool (2.3.0)
+    connection_pool (2.4.0)
     declarative (0.0.20)
     deep_merge (1.2.2)
     faraday (2.7.4)
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
-    google-apis-compute_v1 (0.63.0)
+    google-apis-compute_v1 (0.66.0)
       google-apis-core (>= 0.11.0, < 2.a)
     google-apis-core (0.11.0)
       addressable (~> 2.5, >= 2.5.1)
@@ -24,7 +24,7 @@ GEM
       retriable (>= 2.0, < 4.a)
       rexml
       webrick
-    google-apis-dns_v1 (0.31.0)
+    google-apis-dns_v1 (0.32.0)
       google-apis-core (>= 0.11.0, < 2.a)
     google-cloud-core (1.6.0)
       google-cloud-env (~> 1.0)
@@ -52,9 +52,9 @@ GEM
     multi_json (1.15.0)
     mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
-    net-ldap (0.17.1)
-    nio4r (2.5.8-java)
-    nokogiri (1.14.2-java)
+    net-ldap (0.18.0)
+    nio4r (2.5.9-java)
+    nokogiri (1.14.3-java)
       racc (~> 1.4)
     opentelemetry-api (1.1.0)
     opentelemetry-common (0.19.6)
@@ -101,7 +101,7 @@ GEM
     puma (5.6.5-java)
       nio4r (~> 2.0)
     racc (1.6.2-java)
-    rack (2.2.6.3)
+    rack (2.2.6.4)
     rack-protection (2.2.4)
       rack
     rake (13.0.6)
@@ -135,7 +135,7 @@ GEM
     tilt (2.1.0)
     trailblazer-option (0.1.2)
     uber (0.1.0)
-    vmpooler (2.5.0)
+    vmpooler (3.0.0)
       concurrent-ruby (~> 1.1)
       connection_pool (~> 2.2)
       deep_merge (~> 1.2)
@@ -156,14 +156,17 @@ GEM
       sinatra (~> 2.0)
       spicy-proton (~> 2.1)
       statsd-ruby (~> 1.4)
-    vmpooler-provider-gce (0.5.0)
-      google-apis-compute_v1 (~> 0.14)
+    vmpooler-dns-gcp (1.0.0)
       google-cloud-dns (~> 0.35.1)
       googleauth (>= 0.16.2, < 1.3.0)
-      vmpooler (~> 2.3, >= 1.3.0)
-    vmpooler-provider-vsphere (2.1.0)
+      vmpooler (~> 3.0)
+    vmpooler-provider-gce (1.0.0)
+      google-apis-compute_v1 (~> 0.14)
+      googleauth (>= 0.16.2, < 1.3.0)
+      vmpooler (~> 3.0)
+    vmpooler-provider-vsphere (3.0.0)
       rbvmomi2 (>= 3.1, < 4.0)
-      vmpooler (~> 2.4)
+      vmpooler (~> 3.0)
     webrick (1.8.1)
     zonefile (1.06)
 
@@ -171,9 +174,10 @@ PLATFORMS
   universal-java-11
 
 DEPENDENCIES
-  vmpooler (~> 2.5)
-  vmpooler-provider-gce (~> 0.5)
-  vmpooler-provider-vsphere (~> 2.1)
+  vmpooler (~> 3.0)
+  vmpooler-dns-gcp (~> 1.0)
+  vmpooler-provider-gce (~> 1.0)
+  vmpooler-provider-vsphere (~> 3.0)
 
 BUNDLED WITH
-   2.4.7
+   2.4.8