diff --git a/Gemfile.lock b/Gemfile.lock
index 6ba99b1..45c6df4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,12 +2,12 @@ PATH
   remote: .
   specs:
     subscriptions_test_kit (0.9.2)
-      inferno_core (~> 0.4.43)
+      inferno_core (~> 0.5.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.1.7.8)
+    activesupport (6.1.7.10)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -86,11 +86,11 @@ GEM
     faraday-retry (1.0.3)
     faraday_middleware (1.2.1)
       faraday (~> 1.0)
-    fhir_client (5.0.3)
+    fhir_client (6.0.0)
       activesupport (>= 3)
       addressable (>= 2.3)
       fhir_dstu2_models (>= 1.1.1)
-      fhir_models (>= 4.2.1)
+      fhir_models (>= 5.0.0)
       fhir_stu3_models (>= 3.1.1)
       nokogiri (>= 1.10.4)
       oauth2 (~> 1.1)
@@ -102,7 +102,7 @@ GEM
       date_time_precision (>= 0.8)
       mime-types (>= 3.0)
       nokogiri (>= 1.11.4)
-    fhir_models (4.3.0)
+    fhir_models (5.0.0)
       bcp47 (>= 0.3)
       date_time_precision (>= 0.8)
       mime-types (>= 3.0)
@@ -122,7 +122,7 @@ GEM
       mustermann (~> 1.0)
       mustermann-contrib (~> 1.0)
       rack (~> 2.0)
-    hanami-utils (2.1.0)
+    hanami-utils (2.2.0)
       concurrent-ruby (~> 1.0)
       dry-core (~> 1.0, < 2)
       dry-transformer (~> 1.0, < 2)
@@ -133,7 +133,7 @@ GEM
       domain_name (~> 0.5)
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    inferno_core (0.4.43)
+    inferno_core (0.5.0)
       activesupport (~> 6.1.7.5)
       base62-rb (= 0.3.1)
       blueprinter (= 0.25.2)
@@ -150,6 +150,7 @@ GEM
       hanami-controller (= 2.0.0)
       hanami-router (= 2.0.0)
       oj (= 3.11.0)
+      pastel (~> 0.8.0)
       pry
       pry-byebug
       puma (~> 5.6.7)
@@ -187,7 +188,7 @@ GEM
       hansi (~> 0.2.0)
       mustermann (= 1.1.2)
     netrc (0.11.0)
-    nio4r (2.7.3)
+    nio4r (2.7.4)
     nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -228,7 +229,7 @@ GEM
     puma (5.6.9)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (2.2.9)
+    rack (2.2.10)
     rack-test (2.1.0)
       rack (>= 1.3)
     rainbow (3.1.1)
@@ -245,7 +246,7 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.3.8)
+    rexml (3.3.9)
     roo (2.10.1)
       nokogiri (~> 1)
       rubyzip (>= 1.3.0, < 3.0.0)
diff --git a/subscriptions_test_kit.gemspec b/subscriptions_test_kit.gemspec
index 9916142..0bcda7f 100644
--- a/subscriptions_test_kit.gemspec
+++ b/subscriptions_test_kit.gemspec
@@ -9,7 +9,7 @@ Gem::Specification.new do |spec|
   spec.description   = 'Inferno test kit for FHIR R5-style Subscriptions'
   spec.homepage      = 'https://github.com/inferno-framework/subscriptions-test-kit'
   spec.license       = 'Apache-2.0'
-  spec.add_dependency 'inferno_core', '~> 0.4.43'
+  spec.add_dependency 'inferno_core', '~> 0.5.0'
   spec.required_ruby_version = Gem::Requirement.new('>= 3.1.2')
   spec.metadata['homepage_uri'] = spec.homepage
   spec.metadata['source_code_uri'] = spec.homepage