diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5547f83..fea3454 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.1.1"
+  ".": "1.0.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21a29b5..5008756 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## [1.0.0](https://github.com/open-feature/ruby-sdk/compare/v0.1.1...v1.0.0) (2024-02-01)
+
+
+### ⚠ BREAKING CHANGES
+
+* rename top-level lib folder to `open_feature` ([#90](https://github.com/open-feature/ruby-sdk/issues/90))
+* Drop Ruby 2.7 and 3.0, add Ruby 3.3 ([#91](https://github.com/open-feature/ruby-sdk/issues/91))
+
+### Miscellaneous Chores
+
+* Drop Ruby 2.7 and 3.0, add Ruby 3.3 ([#91](https://github.com/open-feature/ruby-sdk/issues/91)) ([51cd3a1](https://github.com/open-feature/ruby-sdk/commit/51cd3a1801e589f9049bffd7349d56bb6d32d05e))
+* rename top-level lib folder to `open_feature` ([#90](https://github.com/open-feature/ruby-sdk/issues/90)) ([e1a9a01](https://github.com/open-feature/ruby-sdk/commit/e1a9a018e18cb62acedd1b5cd5a00ad3ecb4321a))
+
 ## [0.1.1](https://github.com/open-feature/ruby-sdk/compare/v0.1.0...v0.1.1) (2023-09-13)