diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5634da3c..7a0a714f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -7,6 +7,6 @@
   "providers/openfeature-provider-env-var": "0.1.1",
   "providers/openfeature-provider-unleash": "0.1.2",
   "tools/openfeature-flagd-api": "0.1.0",
-  "tools/openfeature-flagd-core": "0.1.0",
+  "tools/openfeature-flagd-core": "1.0.0",
   "tools/openfeature-flagd-api-testkit": "0.1.0"
 }
diff --git a/tools/openfeature-flagd-core/CHANGELOG.md b/tools/openfeature-flagd-core/CHANGELOG.md
index 825c32f0..1a2f7be2 100644
--- a/tools/openfeature-flagd-core/CHANGELOG.md
+++ b/tools/openfeature-flagd-core/CHANGELOG.md
@@ -1 +1,15 @@
 # Changelog
+
+## [1.0.0](https://github.com/open-feature/python-sdk-contrib/compare/openfeature-flagd-core/v0.1.0...openfeature-flagd-core/v1.0.0) (2026-04-30)
+
+
+### 🐛 Bug Fixes
+
+* various custom operator conformance fixes ([#386](https://github.com/open-feature/python-sdk-contrib/issues/386)) ([c119a77](https://github.com/open-feature/python-sdk-contrib/commit/c119a774736dd4d48a4dc82d158aafc17cc3936f))
+
+
+### ✨ New Features
+
+* **flagd:** extract evaluator into api, core, and testkit packages ([#377](https://github.com/open-feature/python-sdk-contrib/issues/377)) ([1995534](https://github.com/open-feature/python-sdk-contrib/commit/1995534c2545b8c65d2944e3e52ce19a552b4815))
+
+## Changelog
diff --git a/tools/openfeature-flagd-core/pyproject.toml b/tools/openfeature-flagd-core/pyproject.toml
index ddd7d0b8..4bfb5b8b 100644
--- a/tools/openfeature-flagd-core/pyproject.toml
+++ b/tools/openfeature-flagd-core/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "openfeature-flagd-core"
-version = "0.1.0"
+version = "1.0.0"
 description = "OpenFeature flagd evaluator core implementation"
 readme = "README.md"
 authors = [{ name = "OpenFeature", email = "openfeature-core@groups.io" }]