diff --git a/.github/workflows/downstream.yml b/.github/workflows/downstream.yml
index a87bfb8e5..293f9acfb 100644
--- a/.github/workflows/downstream.yml
+++ b/.github/workflows/downstream.yml
@@ -55,7 +55,12 @@ jobs:
 
       - name: Switch downstream to development poetry-core
         working-directory: ./poetry
-        run: poetry add --lock --group test ../poetry-core
+        run: |
+          # remove poetry-core from main group to avoid version conflicts
+          # with a potential entry in the test group
+          poetry remove poetry-core
+          # add to test group to overwrite a potential entry in that group
+          poetry add --lock --group test ../poetry-core
 
       - name: Install downstream dependencies
         working-directory: ./poetry
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1879ef17..563b5beb9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Change Log
 
+## [1.3.0] - 2022-10-05
+
+### Added
+
+- Add `3.11` to the list of available Python versions ([#477](https://github.com/python-poetry/poetry-core/pull/477)).
+
+### Changed
+
+- Deprecate `poetry.core.constraints.generic`, which is replaced by `poetry.core.packages.constraints` ([#482](https://github.com/python-poetry/poetry-core/pull/482)).
+- Deprecate `poetry.core.semver`, which is replaced by `poetry.core.constraints.version` ([#482](https://github.com/python-poetry/poetry-core/pull/482)).
+
+### Fixed
+
+- Fix an issue where versions were escaped wrongly when building the wheel name ([#469](https://github.com/python-poetry/poetry-core/pull/469)).
+- Fix an issue where caret constraints of pre-releases with a major version of 0 resulted in an empty version range ([#475](https://github.com/python-poetry/poetry-core/pull/475)).
+- Fix an issue where the names of extras were not normalized according to PEP 685 ([#476](https://github.com/python-poetry/poetry-core/pull/476)).
+- Fix an issue where sdist names were not normalized ([#484](https://github.com/python-poetry/poetry-core/pull/484)).
+
+
 ## [1.2.0] - 2022-09-13
 
 ### Added
@@ -7,6 +26,7 @@
 - Added support for subdirectories in `url` dependencies  ([#398](https://github.com/python-poetry/poetry-core/pull/398)).
 
 ### Changed
+
 - When setting an invalid version constraint an error is raised instead of silently setting "any version" ([#461](https://github.com/python-poetry/poetry-core/pull/461)).
 - Allow more characters in author name ([#411](https://github.com/python-poetry/poetry-core/pull/411)).
 
@@ -33,6 +53,7 @@
 ## [1.1.0rc2] - 2022-08-26
 
 ### Changed
+
 - Enabled setting `version` of `ProjectPackage` to support dynamically setting the project's package version (e.g. from a plugin) ([#447](https://github.com/python-poetry/poetry-core/pull/447)).
 
 ### Fixed
@@ -385,7 +406,8 @@ No changes.
 - Fixed support for stub-only packages ([#28](https://github.com/python-poetry/core/pull/28)).
 
 
-[Unreleased]: https://github.com/python-poetry/poetry-core/compare/1.2.0...main
+[Unreleased]: https://github.com/python-poetry/poetry-core/compare/1.3.0...main
+[1.3.0]: https://github.com/python-poetry/poetry-core/releases/tag/1.3.0
 [1.2.0]: https://github.com/python-poetry/poetry-core/releases/tag/1.2.0
 [1.1.0]: https://github.com/python-poetry/poetry-core/releases/tag/1.1.0
 [1.1.0rc3]: https://github.com/python-poetry/poetry-core/releases/tag/1.1.0rc3
diff --git a/pyproject.toml b/pyproject.toml
index db8fb06b7..e558b9b7a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetry-core"
-version = "1.2.0"
+version = "1.3.0"
 description = "Poetry PEP 517 Build Backend"
 authors = ["Sébastien Eustace <sebastien@eustace.io>"]
 
diff --git a/src/poetry/core/__init__.py b/src/poetry/core/__init__.py
index 422373512..f53c46eb6 100644
--- a/src/poetry/core/__init__.py
+++ b/src/poetry/core/__init__.py
@@ -7,7 +7,7 @@
 
 # this cannot presently be replaced with importlib.metadata.version as when building
 # itself, poetry-core is not available as an installed distribution.
-__version__ = "1.2.0"
+__version__ = "1.3.0"
 
 __vendor_site__ = (Path(__file__).parent / "_vendor").as_posix()