diff --git a/oc-chef-pedant/Gemfile b/oc-chef-pedant/Gemfile
index fbd5fac4b3..07765bdc22 100644
--- a/oc-chef-pedant/Gemfile
+++ b/oc-chef-pedant/Gemfile
@@ -10,7 +10,7 @@ gem 'rake'
 # We require chef internally to get the version in
 # lib/pedant/request.rb. It's really strange code and it should be
 # revisited.
-gem 'chef', "17.10.0"
+gem 'chef', "18.3.0"
 
 # For "rake chef_zero_spec"
 #gem 'chef-zero', github: 'chef/chef-zero'
diff --git a/oc-chef-pedant/Gemfile.lock b/oc-chef-pedant/Gemfile.lock
index 6a36295177..40708b3fa9 100644
--- a/oc-chef-pedant/Gemfile.lock
+++ b/oc-chef-pedant/Gemfile.lock
@@ -24,65 +24,69 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.1)
+    addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
     aws-eventstream (1.2.0)
-    aws-partitions (1.571.0)
-    aws-sdk-core (3.130.0)
+    aws-partitions (1.824.0)
+    aws-sdk-core (3.181.1)
       aws-eventstream (~> 1, >= 1.0.2)
-      aws-partitions (~> 1, >= 1.525.0)
+      aws-partitions (~> 1, >= 1.651.0)
+      aws-sigv4 (~> 1.5)
+      jmespath (~> 1, >= 1.6.1)
+    aws-sdk-kms (1.71.0)
+      aws-sdk-core (~> 3, >= 3.177.0)
       aws-sigv4 (~> 1.1)
-      jmespath (~> 1.0)
-    aws-sdk-kms (1.55.0)
-      aws-sdk-core (~> 3, >= 3.127.0)
-      aws-sigv4 (~> 1.1)
-    aws-sdk-s3 (1.113.0)
-      aws-sdk-core (~> 3, >= 3.127.0)
+    aws-sdk-s3 (1.134.0)
+      aws-sdk-core (~> 3, >= 3.181.0)
       aws-sdk-kms (~> 1)
-      aws-sigv4 (~> 1.4)
-    aws-sdk-secretsmanager (1.59.0)
-      aws-sdk-core (~> 3, >= 3.127.0)
+      aws-sigv4 (~> 1.6)
+    aws-sdk-secretsmanager (1.82.0)
+      aws-sdk-core (~> 3, >= 3.177.0)
       aws-sigv4 (~> 1.1)
-    aws-sigv4 (1.4.0)
+    aws-sigv4 (1.6.0)
       aws-eventstream (~> 1, >= 1.0.2)
+    base64 (0.1.1)
     binding_of_caller (1.0.0)
       debug_inspector (>= 0.0.1)
     builder (3.2.4)
     byebug (11.1.3)
-    chef (17.10.0)
+    chef (18.3.0)
       addressable
       aws-sdk-s3 (~> 1.91)
       aws-sdk-secretsmanager (~> 1.46)
-      chef-config (= 17.10.0)
-      chef-utils (= 17.10.0)
+      chef-config (= 18.3.0)
+      chef-utils (= 18.3.0)
       chef-vault
       chef-zero (>= 14.0.11)
       corefoundation (~> 0.3.4)
       diff-lcs (>= 1.2.4, < 1.6.0, != 1.4.0)
       erubis (~> 2.7)
-      ffi (>= 1.5.0)
+      ffi (>= 1.15.5)
       ffi-libarchive (~> 1.0, >= 1.0.3)
       ffi-yajl (~> 2.2)
       iniparse (~> 1.4)
-      inspec-core (~> 4.23)
+      inspec-core (>= 5)
       license-acceptance (>= 1.0.5, < 3)
       mixlib-archive (>= 0.4, < 2.0)
       mixlib-authentication (>= 2.1, < 4)
       mixlib-cli (>= 2.1.1, < 3.0)
       mixlib-log (>= 2.0.3, < 4.0)
       mixlib-shellout (>= 3.1.1, < 4.0)
-      net-sftp (>= 2.1.2, < 4.0)
-      ohai (~> 17.0)
+      net-ftp
+      net-sftp (>= 2.1.2, < 5.0)
+      ohai (~> 18.0)
       plist (~> 3.2)
-      proxifier (~> 1.0)
+      proxifier2 (~> 1.1)
       syslog-logger (~> 1.6)
-      train-core (~> 3.2, >= 3.2.28)
+      train-core (~> 3.10)
+      train-rest (>= 0.4.1)
       train-winrm (>= 0.2.5)
+      unf_ext (>= 0.0.8.2)
       uuidtools (>= 2.1.5, < 3.0)
       vault (~> 0.16)
-    chef-config (17.10.0)
+    chef-config (18.3.0)
       addressable
-      chef-utils (= 17.10.0)
+      chef-utils (= 18.3.0)
       fuzzyurl
       mixlib-config (>= 2.2.12, < 4.0)
       mixlib-shellout (>= 2.0, < 4.0)
@@ -90,9 +94,9 @@ GEM
     chef-telemetry (1.1.1)
       chef-config
       concurrent-ruby (~> 1.0)
-    chef-utils (17.10.0)
+    chef-utils (18.3.0)
       concurrent-ruby
-    chef-vault (4.1.5)
+    chef-vault (4.1.11)
     chef-zero (15.0.11)
       ffi-yajl (~> 2.2)
       hashie (>= 2.0, < 5.0)
@@ -104,37 +108,31 @@ GEM
     concurrent-ruby (1.2.2)
     corefoundation (0.3.13)
       ffi (>= 1.15.0)
+    date (3.3.3)
     debug_inspector (1.1.0)
     diff-lcs (1.5.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    erubi (1.10.0)
+    erubi (1.12.0)
     erubis (2.7.0)
-    faraday (1.4.3)
-      faraday-em_http (~> 1.0)
-      faraday-em_synchrony (~> 1.0)
-      faraday-excon (~> 1.1)
-      faraday-net_http (~> 1.0)
-      faraday-net_http_persistent (~> 1.1)
-      multipart-post (>= 1.2, < 3)
+    faraday (2.7.11)
+      base64
+      faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
-    faraday-em_http (1.0.0)
-    faraday-em_synchrony (1.0.0)
-    faraday-excon (1.1.0)
-    faraday-net_http (1.0.1)
-    faraday-net_http_persistent (1.2.0)
-    faraday_middleware (1.2.0)
-      faraday (~> 1.0)
+    faraday-follow_redirects (0.3.0)
+      faraday (>= 1, < 3)
+    faraday-net_http (3.0.2)
     ffi (1.15.5)
-    ffi-libarchive (1.1.3)
+    ffi-libarchive (1.1.13)
       ffi (~> 1.0)
-    ffi-yajl (2.4.0)
+    ffi-yajl (2.6.0)
       libyajl2 (>= 1.2)
     fuzzyurl (0.9.0)
     gssapi (1.3.1)
       ffi (>= 1.0.1)
-    gyoku (1.3.1)
+    gyoku (1.4.0)
       builder (>= 2.1.2)
+      rexml (~> 3.0)
     hashie (4.1.0)
     http-accept (1.7.0)
     http-cookie (1.0.4)
@@ -143,11 +141,11 @@ GEM
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     iniparse (1.5.0)
-    inspec-core (4.56.19)
+    inspec-core (5.22.3)
       addressable (~> 2.4)
       chef-telemetry (~> 1.0, >= 1.0.8)
-      faraday (>= 0.9.0, < 1.5)
-      faraday_middleware (~> 1.0)
+      faraday (>= 1, < 3)
+      faraday-follow_redirects (~> 0.3)
       hashie (>= 3.4, < 5.0)
       license-acceptance (>= 0.2.13, < 3.0)
       method_source (>= 0.8, < 2.0)
@@ -163,12 +161,12 @@ GEM
       sslshake (~> 1.2)
       thor (>= 0.20, < 2.0)
       tomlrb (>= 1.2, < 2.1)
-      train-core (~> 3.0)
+      train-core (~> 3.10)
       tty-prompt (~> 0.17)
       tty-table (~> 0.10)
     ipaddress (0.8.3)
-    jmespath (1.6.1)
-    json (2.6.1)
+    jmespath (1.6.2)
+    json (2.6.3)
     libyajl2 (2.1.0)
     license-acceptance (2.1.13)
       pastel (~> 0.7)
@@ -176,7 +174,7 @@ GEM
       tty-box (~> 0.6)
       tty-prompt (~> 0.20)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     method_source (1.0.0)
@@ -194,18 +192,23 @@ GEM
     mixlib-shellout (3.2.7)
       chef-utils
     multi_json (1.15.0)
-    multipart-post (2.1.1)
+    multipart-post (2.3.0)
+    net-ftp (0.2.0)
+      net-protocol
+      time
     net-http-spy (0.2.1)
-    net-scp (3.0.0)
-      net-ssh (>= 2.6.5, < 7.0.0)
-    net-sftp (3.0.0)
-      net-ssh (>= 5.0.0, < 7.0.0)
-    net-ssh (6.1.0)
+    net-protocol (0.2.1)
+      timeout
+    net-scp (4.0.0)
+      net-ssh (>= 2.6.5, < 8.0.0)
+    net-sftp (4.0.0)
+      net-ssh (>= 5.0.0, < 8.0.0)
+    net-ssh (7.2.0)
     netrc (0.11.0)
     nori (2.6.0)
-    ohai (17.9.0)
-      chef-config (>= 14.12, < 18)
-      chef-utils (>= 16.0, < 18)
+    ohai (18.1.3)
+      chef-config (>= 14.12, < 19)
+      chef-utils (>= 16.0, < 19)
       ffi (~> 1.9)
       ffi-yajl (~> 2.2)
       ipaddress
@@ -216,12 +219,12 @@ GEM
       plist (~> 3.1)
       train-core
       wmi-lite (~> 1.0)
-    parallel (1.22.1)
+    parallel (1.23.0)
     parslet (1.8.2)
     pastel (0.8.0)
       tty-color (~> 0.5)
-    plist (3.6.0)
-    proxifier (1.0.3)
+    plist (3.7.0)
+    proxifier2 (1.1.0)
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -231,27 +234,28 @@ GEM
     pry-stack_explorer (0.6.1)
       binding_of_caller (~> 1.0)
       pry (~> 0.13)
-    public_suffix (5.0.0)
-    rack (2.2.3.1)
+    public_suffix (5.0.3)
+    rack (2.2.8)
     rake (13.0.6)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
+    rexml (3.2.6)
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)
       rspec-mocks (~> 3.11.0)
     rspec-core (3.11.0)
       rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.0)
+    rspec-expectations (3.11.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
     rspec-its (1.3.0)
       rspec-core (>= 3.0.0)
       rspec-expectations (>= 3.0.0)
-    rspec-mocks (3.11.0)
+    rspec-mocks (3.11.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
     rspec-rerun (1.1.0)
@@ -262,7 +266,7 @@ GEM
     ruby2_keywords (0.0.5)
     rubyntlm (0.6.3)
     rubyzip (2.3.2)
-    semverse (3.0.0)
+    semverse (3.0.2)
     sslshake (1.3.1)
     strings (0.2.1)
       strings-ansi (~> 0.2)
@@ -270,15 +274,22 @@ GEM
       unicode_utils (~> 1.4)
     strings-ansi (0.2.0)
     syslog-logger (1.6.8)
-    thor (1.2.1)
+    thor (1.2.2)
+    time (0.2.2)
+      date
+    timeout (0.4.0)
     tomlrb (1.3.0)
-    train-core (3.8.9)
+    train-core (3.10.8)
       addressable (~> 2.5)
       ffi (!= 1.13.0)
       json (>= 1.8, < 3.0)
       mixlib-shellout (>= 2.0, < 4.0)
-      net-scp (>= 1.2, < 4.0)
-      net-ssh (>= 2.9, < 7.0)
+      net-scp (>= 1.2, < 5.0)
+      net-ssh (>= 2.9, < 8.0)
+    train-rest (0.5.0)
+      aws-sigv4 (~> 1.5)
+      rest-client (~> 2.1)
+      train-core (~> 3.0)
     train-winrm (0.2.13)
       winrm (>= 2.3.6, < 3.0)
       winrm-elevated (~> 1.2.2)
@@ -305,13 +316,13 @@ GEM
       concurrent-ruby (~> 1.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.8)
-    unicode-display_width (2.1.0)
+    unf_ext (0.0.8.2)
+    unicode-display_width (2.4.2)
     unicode_utils (1.4.0)
     uuidtools (2.2.0)
-    vault (0.16.0)
+    vault (0.18.1)
       aws-sigv4
-    webrick (1.7.0)
+    webrick (1.8.1)
     winrm (2.3.6)
       builder (>= 2.1.2)
       erubi (~> 1.8)
@@ -331,13 +342,13 @@ GEM
       rubyzip (~> 2.0)
       winrm (~> 2.0)
     wisper (2.0.1)
-    wmi-lite (1.0.5)
+    wmi-lite (1.0.7)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  chef (= 17.10.0)
+  chef (= 18.3.0)
   oc-chef-pedant!
   pry
   pry-byebug