diff --git a/doc/changes/changelog.md b/doc/changes/changelog.md
index 208d42b..ea9ff9e 100644
--- a/doc/changes/changelog.md
+++ b/doc/changes/changelog.md
@@ -1,6 +1,7 @@
 # Changes
 
 * [unreleased](unreleased.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)
 * [0.10.0](changes_0.10.0.md)
@@ -20,6 +21,7 @@
 hidden:
 ---
 unreleased
+changes_1.1.1
 changes_1.1.0
 changes_1.0.0
 changes_0.10.0
diff --git a/doc/changes/changes_1.1.1.md b/doc/changes/changes_1.1.1.md
new file mode 100644
index 0000000..46c9111
--- /dev/null
+++ b/doc/changes/changes_1.1.1.md
@@ -0,0 +1,24 @@
+# 1.1.1 - 2025-05-05
+
+## Summary
+
+This release updates the Python API generated from file `openapi.json`.
+
+Changes to `open-api.json` in detail:
+
+Added `streamDescription` to the models below `components` / `schemas`:
+
+* `Database` / `properties` / `settings` / `required`
+* `Database` / `properties` / `settings` / `properties`
+* `DatabaseSettings` / `required`
+* `DatabaseSettings` / `properties`
+
+## Refactorings
+
+* #90: Updated open API client 2025-04-15
+* #92: Updated poetry to 2.1.2
+
+## Security
+
+* #92: Dependencies updated, especially jinja2 (3.1.5 -> 3.1.6)
+* #94: Fixed vulnerability CVE-2025-43859 in transitive dependency h11
diff --git a/doc/changes/unreleased.md b/doc/changes/unreleased.md
index 81274e5..79e701b 100644
--- a/doc/changes/unreleased.md
+++ b/doc/changes/unreleased.md
@@ -1,24 +1 @@
 # Unreleased
-
-## Summary
-
-This release updates the Python API generated from file `openapi.json`.
-
-Changes to `open-api.json` in detail:
-
-Added `streamDescription` to the models below `components` / `schemas`:
-
-* `Database` / `properties` / `settings` / `required`
-* `Database` / `properties` / `settings` / `properties`
-* `DatabaseSettings` / `required`
-* `DatabaseSettings` / `properties`
-
-## Refactorings
-
-* #90: Updated open API client 2025-04-15
-* #92: Updated poetry to 2.1.2
-
-## Security
-
-* #92: Dependencies updated, especially jinja2 (3.1.5 -> 3.1.6)
-* #94: Fixed vulnerability CVE-2025-43859 in transitive dependency h11
diff --git a/pyproject.toml b/pyproject.toml
index 5d0f778..f7d56c8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "exasol-saas-api"
-version = "1.1.0"
+version = "1.1.1"
 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 ccb7c4e..0f77108 100644
--- a/version.py
+++ b/version.py
@@ -6,6 +6,6 @@
 # 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 = 0
+PATCH = 1
 VERSION = f"{MAJOR}.{MINOR}.{PATCH}"
 __version__ = VERSION