Update `actions/setup-java` to v2.
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 7bc2a4e..8ee88c0 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -39,8 +39,9 @@
         restore-keys: |
           ${{ runner.os }}-maven-
     - name: Set up JDK ${{ matrix.java }}
-      uses: actions/setup-java@v1.4.3
+      uses: actions/setup-java@v2
       with:
+        distribution: 'adopt'
         java-version: ${{ matrix.java }}
     - name: Build with Maven
       run: mvn -V --file pom.xml --no-transfer-progress
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 3f291e0..c526cce 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -96,8 +96,8 @@
       <action dev="ggregory" type="update" due-to="Gary Gregory, Dependabot">
         Update checkstyle from 8.28 to 8.35, #20.
       </action>
-      <action dev="ggregory" type="update" due-to="Dependabot">
-        Bump actions/setup-java from v1.4.0 to v1.4.3 #40.
+      <action dev="ggregory" type="update" due-to="Dependabot, Gary Gregory">
+        Bump actions/setup-java from v1.4.0 to v2 #40.
       </action>
       <action dev="ggregory" type="update" due-to="Dependabot">
         Bump checkstyle from 8.35 to 8.37 #47.