diff --git a/CHANGELOG.md b/CHANGELOG.md
index cb47dff..24e94a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [1.0.0] - 2023-10-17
+
+### BREAKING CHANGES
+- Drops support for ruby versions 2.7 and 3.0. Only ruby 3.1 or newer is now supported.
+- `EngagingNetworksRest.new` and `EngagingNetworksRest::Client.new` now require the `host` parameter
+
+### Development changes
+- Removed juwelier. Dependencies are now managed only in the gemspec file.
+- Replaced byebug with debug
+- Upgraded required faker version to eliminate the need for pinning psych
+
 ## [0.7.0] - 2023-10-16
 
 ### Added
diff --git a/VERSION b/VERSION
index faef31a..3eefcb9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.7.0
+1.0.0
diff --git a/engaging-networks-rest.gemspec b/engaging-networks-rest.gemspec
index 8e4e132..92ab13e 100644
--- a/engaging-networks-rest.gemspec
+++ b/engaging-networks-rest.gemspec
@@ -2,12 +2,12 @@
 
 Gem::Specification.new do |s|
   s.name = "engaging-networks-rest".freeze
-  s.version = "0.7.0"
+  s.version = "1.0.0"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
   s.require_paths = ["lib".freeze]
   s.authors = ["Grey Moore".freeze]
-  s.date = "2023-10-16"
+  s.date = "2023-10-17"
   s.description = "Client gem for the ENS API to Engaging Networks".freeze
   s.email = "systems@controlshiftlabs.com".freeze
   s.extra_rdoc_files = [