Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-build-plugin.git
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 1ca593d..52bdc81 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -31,7 +31,7 @@
             experimental: true        
         
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.1
     - name: Set up JDK ${{ matrix.java }}
       uses: actions/setup-java@v1
       with:
diff --git a/pom.xml b/pom.xml
index 980aa9d..62f8350 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.commons</groupId>
     <artifactId>commons-parent</artifactId>
-    <version>48</version>
+    <version>51</version>
   </parent>
   <artifactId>commons-build-plugin</artifactId>
   <packaging>maven-plugin</packaging>
@@ -242,7 +242,7 @@
     <commons.distSvnStagingUrl>scm:svn:https://dist.apache.org/repos/dist/dev/commons/${commons.componentid}</commons.distSvnStagingUrl>
     <commons.releaseManagerName>Rob Tompkins</commons.releaseManagerName>
     <commons.releaseManagerKey>B6E73D84EA4FCC47166087253FAAD2CD5ECBB314</commons.releaseManagerKey>
-    <spotbugs.plugin.version>4.0.0</spotbugs.plugin.version>
+    <spotbugs.plugin.version>4.0.4</spotbugs.plugin.version>
     <spotbugs.impl.version>4.0.6</spotbugs.impl.version>
   </properties>
   <profiles>