diff --git a/CHANGELOG.md b/CHANGELOG.md
index c78d0c97..62b6b68c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [MAJOR.MINOR.PATCH] - YYYY-MM-DD
 
+## v0.20.0 - 2024-06-05
+
 - Add kind: `ServiceIntegrationEndpoint`
 - Fix `ServiceIntegration` deletion when instance has no id set
 - Change `Kafka` field `userConfig.kafka_version`: enum ~~`[3.4, 3.5, 3.6]`~~ → `[3.4, 3.5, 3.6, 3.7]`
diff --git a/charts/aiven-operator-crds/Chart.yaml b/charts/aiven-operator-crds/Chart.yaml
index 293e1186..62cbd237 100644
--- a/charts/aiven-operator-crds/Chart.yaml
+++ b/charts/aiven-operator-crds/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: aiven-operator-crds
 description: A Helm chart to deploy the aiven operator custom resource definitions
 type: application
-version: v0.19.0
-appVersion: v0.19.0
+version: v0.20.0
+appVersion: v0.20.0
 maintainers:
   - name: byashimov
     url: https://www.aiven.io
diff --git a/charts/aiven-operator/Chart.yaml b/charts/aiven-operator/Chart.yaml
index 8d245d76..07c89301 100644
--- a/charts/aiven-operator/Chart.yaml
+++ b/charts/aiven-operator/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: aiven-operator
 description: A Helm chart to deploy the aiven operator
 type: application
-version: v0.19.0
-appVersion: v0.19.0
+version: v0.20.0
+appVersion: v0.20.0
 maintainers:
   - name: byashimov
     url: https://www.aiven.io
diff --git a/docs/docs/changelog.md b/docs/docs/changelog.md
index 18c0709f..cb289022 100644
--- a/docs/docs/changelog.md
+++ b/docs/docs/changelog.md
@@ -1,6 +1,25 @@
 # Changelog
 
 
+## v0.20.0 - 2024-06-05
+
+- Add kind: `ServiceIntegrationEndpoint`
+- Add `ServiceIntegration` field `datadog.datadog_pgbouncer_enabled`, type `boolean`: Enable Datadog
+- Add `ServiceIntegration` `flink_external_postgresql` type
+- Fix `ServiceIntegration` deletion when instance has no id set PgBouncer Metric Tracking
+- Fix `ConnectionPool` doesn't check service user precondition
+- Fix service types `disk_space` field validation
+- Fix resources `project`, `serviceName` fields validation
+- Change `Kafka` field `userConfig.kafka_version`: enum ~~`[3.4, 3.5, 3.6]`~~ → `[3.4, 3.5, 3.6, 3.7]`
+- Change `ServiceIntegrationEndpoint` field `datadog.site`: enum ~~`[datadoghq.com, datadoghq.eu, ddog-gov.com,
+us3.datadoghq.com, us5.datadoghq.com]`~~ → `[ap1.datadoghq.com, datadoghq.com, datadoghq.eu,
+ddog-gov.com, us3.datadoghq.com, us5.datadoghq.com]`
+- Change `ServiceIntegrationEndpoint` field `externalKafka.ssl_endpoint_identification_algorithm`: enum
+  ~~`[, https]`~~ → `[https]`
+- Change immutable fields validation from webhooks to CRD validation rules
+- Remove `CA_CERT` secret key for `Grafana`, `OpenSearch`, `Redis`, and `Clickhouse`. Can't be used with these service types
+- Remove `ClickhouseUser` webhook. Doesn't do any validation or mutation
+
 ## v0.19.0 - 2024-04-18
 
 - Add kind: `ClickhouseRole`