diff --git a/doc/changes/changelog.md b/doc/changes/changelog.md
index ea9ff9e..2512f71 100644
--- a/doc/changes/changelog.md
+++ b/doc/changes/changelog.md
@@ -1,6 +1,7 @@
 # Changes
 
 * [unreleased](unreleased.md)
+* [2.0.0](changes_2.0.0.md)
 * [1.1.1](changes_1.1.1.md)
 * [1.1.0](changes_1.1.0.md)
 * [1.0.0](changes_1.0.0.md)
@@ -21,6 +22,7 @@
 hidden:
 ---
 unreleased
+changes_2.0.0
 changes_1.1.1
 changes_1.1.0
 changes_1.0.0
diff --git a/doc/changes/changes_2.0.0.md b/doc/changes/changes_2.0.0.md
new file mode 100644
index 0000000..de3d186
--- /dev/null
+++ b/doc/changes/changes_2.0.0.md
@@ -0,0 +1,11 @@
+# 2.0.0 - 2025-05-16
+
+This release updates the Python API generated from file `openapi.json`.
+
+Changes to `open-api.json` in detail:
+* renamed `components` / `schemas` / `ClusterSize` to `ClusterSize1`
+* added `components` / `schemas` / `ClusterSize1` / `properties` / `family`
+
+## Refactorings
+
+* #97: Updated open API client
diff --git a/doc/changes/unreleased.md b/doc/changes/unreleased.md
index 0456d8e..79e701b 100644
--- a/doc/changes/unreleased.md
+++ b/doc/changes/unreleased.md
@@ -1,11 +1 @@
 # Unreleased
-
-This release updates the Python API generated from file `openapi.json`.
-
-Changes to `open-api.json` in detail:
-* renamed `components` / `schemas` / `ClusterSize` to `ClusterSize1`
-* added `components` / `schemas` / `ClusterSize1` / `properties` / `family`
-
-## Refactorings
-
-* #97: Updated open API client
diff --git a/pyproject.toml b/pyproject.toml
index f7d56c8..2a53429 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "exasol-saas-api"
-version = "1.1.1"
+version = "2.0.0"
 description = "API enabling Python applications connecting to Exasol database SaaS instances and using their SaaS services"
 authors = [
     {name="Christoph Kuhnke", email="christoph.kuhnke@exasol.com"},
diff --git a/version.py b/version.py
index 0f77108..5f82238 100644
--- a/version.py
+++ b/version.py
@@ -4,8 +4,8 @@
 #   * or "poetry run -- version-check <path/version.py> --fix"
 # Do not edit this file manually!
 # If you need to change the version, do so in the project.toml, e.g. by using `poetry version X.Y.Z`.
-MAJOR = 1
-MINOR = 1
-PATCH = 1
+MAJOR = 2
+MINOR = 0
+PATCH = 0
 VERSION = f"{MAJOR}.{MINOR}.{PATCH}"
 __version__ = VERSION