diff --git a/.github/workflows/pre-merge.yaml b/.github/workflows/pre-merge.yaml
index 42e6d73..9bd122d 100644
--- a/.github/workflows/pre-merge.yaml
+++ b/.github/workflows/pre-merge.yaml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        jdk: [11, 17]
+        jdk: [17]
     runs-on: ${{ matrix.os }}
     if: ${{ !contains(github.event.head_commit.message, 'ci skip') }}
     env:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5beb475..e6fd552 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,11 @@
 # Detekt - Changelog
 
-#### 2.5.1 - 2023-08-02
+#### 2.6.0 - 2023-08-XX
 
 ##### Changelog
 
 - Based on detekt 1.23.1
+- Incremented minimal supported Sonarqube version to 9.9 LTS
 
 #### 2.5.0 - 2022-01-09
 
diff --git a/README.md b/README.md
index f80c705..12ad0d9 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,9 @@
 
 - Integrates [detekt](https://github.com/detekt/detekt) for static code analysis
 - Default quality profiles `detekt active` (80+ rules) and `detekt all` (164+ rules)
-- Supports SonarQube 8.9+
+- Supports SonarQube up from 9.9 LTS
 - Supports detekt's `yaml config`, `baseline.xml` and `excludes`
-- Seamless integration with official SonarKotlin (no redundant features)
+- Seamless integration with official sonar-kotlin plugin (no redundant features)
 
 #### Non supported features as of 2.x.x
 
@@ -21,7 +21,7 @@
 - syntax highlighting
 - metrics
 
-The official SonarKotlin plugin now supports these features.
+The official sonar-kotlin plugin now supports these features.
 
 ### Usage
 
@@ -31,6 +31,8 @@ The official SonarKotlin plugin now supports these features.
 
 #### Building from source
 
+Use Java 17 to build sonar-detekt:
+
 - `git clone https://github.com/detekt/sonar-detekt`
 - `cd sonar-detekt`
 - `mvn verify`