Merge pull request #10 from apache/dependabot/maven/org.apache.commons-commons-parent-51

Bump commons-parent from 38 to 51
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 a924066..234cf9f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -107,7 +107,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13</version>
             <scope>test</scope>
         </dependency>
     </dependencies>