diff --git a/.github/workflows/broken_links_checker.yml b/.github/workflows/broken_links_checker.yml
index 6a69306..c268e21 100644
--- a/.github/workflows/broken_links_checker.yml
+++ b/.github/workflows/broken_links_checker.yml
@@ -4,13 +4,21 @@ on:
   schedule:
     - cron: "0 5 * * *"
   push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   linkChecker:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Configure broken links checker
+        run: |
+          mkdir -p ./target
+          echo '{ "aliveStatusCodes": [429, 200] }' > ./target/broken_links_checker.json
       - uses: gaurav-nelson/github-action-markdown-link-check@v1
         with:
           use-quiet-mode: 'yes'
-          use-verbose-mode: 'yes'
\ No newline at end of file
+          use-verbose-mode: 'yes'
+          config-file: ./target/broken_links_checker.json
\ No newline at end of file
diff --git a/.github/workflows/ci-build-next-java.yml b/.github/workflows/ci-build-next-java.yml
index 0c35fbc..2abe7cb 100644
--- a/.github/workflows/ci-build-next-java.yml
+++ b/.github/workflows/ci-build-next-java.yml
@@ -1,10 +1,13 @@
 name: CI Build next Java
 
 on:
-  - push
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
-  build:
+  java-17-compatibility:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
@@ -24,9 +27,11 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: Run tests and build with Maven
-        run: mvn --batch-mode --update-snapshots clean package -DtrimStackTrace=false
+        run: |
+          mvn --batch-mode --update-snapshots clean package -DtrimStackTrace=false \
+              -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
       - name: Publish Test Report
         uses: scacap/action-surefire-report@v1
-        if: ${{ always() }}
+        if: ${{ always() && github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index a90eca3..0b69c62 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -1,7 +1,10 @@
 name: CI Build
 
 on:
-  - push
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   build:
@@ -12,8 +15,9 @@ jobs:
         with:
           fetch-depth: 0
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'temurin'
           java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
@@ -22,9 +26,31 @@ jobs:
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             ${{ runner.os }}-maven-
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
       - name: Run tests and build with Maven
-        run: mvn --batch-mode --update-snapshots clean verify sonar:sonar --file pom.xml -DtrimStackTrace=false -Dsonar.organization=exasol -Dsonar.host.url=https://sonarcloud.io -Dsonar.login=$SONAR_TOKEN
+        run: |
+          mvn --batch-mode clean verify \
+              -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn \
+              -DtrimStackTrace=false
+      - name: Publish Test Report
+        uses: scacap/action-surefire-report@v1
+        if: ${{ always() && github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]' }}
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Sonar analysis
+        if: ${{ env.SONAR_TOKEN != null }}
+        run: |
+          mvn --batch-mode sonar:sonar \
+              -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn \
+              -DtrimStackTrace=false \
+              -Dsonar.organization=exasol \
+              -Dsonar.host.url=https://sonarcloud.io \
+              -Dsonar.login=$SONAR_TOKEN
         env:
-          GITHUB_OAUTH: ${{ secrets.GITHUB_TOKEN }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
\ No newline at end of file
diff --git a/doc/changes/changelog.md b/doc/changes/changelog.md
index 6d184ff..6e55b97 100644
--- a/doc/changes/changelog.md
+++ b/doc/changes/changelog.md
@@ -1,5 +1,6 @@
 # Changes
 
+* [1.2.1](changes_1.2.1.md)
 * [1.2.0](changes_1.2.0.md)
 * [1.1.0](changes_1.1.0.md)
 * [1.0.3](changes_1.0.3.md)
diff --git a/doc/changes/changes_1.2.1.md b/doc/changes/changes_1.2.1.md
new file mode 100644
index 0000000..45bbb1d
--- /dev/null
+++ b/doc/changes/changes_1.2.1.md
@@ -0,0 +1,29 @@
+# Parquet for Java 1.2.1, released 2021-11-26
+
+Code name: Dependency Updates
+
+## Summary
+
+In this release we updated project dependencies and build plugins.
+
+## Features
+
+* #21: Updated Scala dependency version to 2.13
+
+## Dependency Updates
+
+### Compile Dependency Updates
+
+* Updated `org.scala-lang:scala-library:2.12.15` to `2.13.7`
+
+### Test Dependency Updates
+
+* Updated `org.mockito:mockito-core:4.0.0` to `4.1.0`
+* Updated `org.mockito:mockito-junit-jupiter:4.0.0` to `4.1.0`
+* Removed `org.scalatest:scalatest_2.12:3.2.7`
+* Added `org.scalatest:scalatest_2.13:3.2.7`
+
+### Plugin Dependency Updates
+
+* Updated `com.exasol:project-keeper-maven-plugin:1.3.1` to `1.3.4`
+* Updated `io.github.zlika:reproducible-build-maven-plugin:0.13` to `0.14`
diff --git a/pom.xml b/pom.xml
index e4c778f..dd7a931 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.exasol</groupId>
     <artifactId>parquet-io-java</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.1</version>
     <name>Parquet for Java</name>
     <description>This project provides a library that reads Parquet files into Java objects.</description>
     <url>https://github.com/exasol/parquet-io-java</url>
@@ -12,8 +11,9 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>11</java.version>
-        <scala.version>2.12.15</scala.version>
-        <mockito.version>4.0.0</mockito.version>
+        <scala.version>2.13.7</scala.version>
+        <scala.compat.version>2.13</scala.compat.version>
+        <mockito.version>4.1.0</mockito.version>
         <gpg.skip>true</gpg.skip>
     </properties>
     <licenses>
@@ -152,7 +152,7 @@
         </dependency>
         <dependency>
             <groupId>org.scalatest</groupId>
-            <artifactId>scalatest_2.12</artifactId>
+            <artifactId>scalatest_${scala.compat.version}</artifactId>
             <version>3.2.7</version>
             <scope>test</scope>
         </dependency>
@@ -208,8 +208,7 @@
                         <javacArg>${java.version}</javacArg>
                         <javacArg>-Xlint:all,-serial,-path,-try</javacArg>
                     </javacArgs>
-                    <compilerPlugins>
-                    </compilerPlugins>
+                    <compilerPlugins />
                 </configuration>
             </plugin>
             <plugin>
@@ -382,7 +381,7 @@
                         <configuration>
                             <rules>
                                 <requireMavenVersion>
-                                    <version>3.3.9</version>
+                                    <version>3.6.3</version>
                                 </requireMavenVersion>
                             </rules>
                         </configuration>
@@ -420,8 +419,7 @@
                     <includes>
                         <include>**IT.java</include>
                     </includes>
-                    <systemPropertyVariables>
-                    </systemPropertyVariables>
+                    <systemPropertyVariables />
                 </configuration>
                 <executions>
                     <execution>
@@ -506,7 +504,7 @@
                 </executions>
                 <configuration>
                     <charset>UTF-8</charset>
-                    <doclint/>
+                    <doclint />
                     <serialwarn>true</serialwarn>
                     <failOnError>true</failOnError>
                     <failOnWarnings>true</failOnWarnings>
@@ -516,7 +514,7 @@
             <plugin>
                 <groupId>io.github.zlika</groupId>
                 <artifactId>reproducible-build-maven-plugin</artifactId>
-                <version>0.13</version>
+                <version>0.14</version>
                 <executions>
                     <execution>
                         <id>strip-jar</id>
@@ -530,7 +528,7 @@
             <plugin>
                 <groupId>com.exasol</groupId>
                 <artifactId>project-keeper-maven-plugin</artifactId>
-                <version>1.3.1</version>
+                <version>1.3.4</version>
                 <executions>
                     <execution>
                         <goals>