diff --git a/core/pom.xml b/core/pom.xml
index 9aa79d9c36..a6651b240a 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -115,7 +115,7 @@
     <dependency>
       <groupId>commons-codec</groupId>
       <artifactId>commons-codec</artifactId>
-      <version>1.10</version>
+      <version>1.13</version>
     </dependency>
 
     <!-- unit tests -->
@@ -316,15 +316,15 @@
                 <configuration>
                   <target>
                     <fileset id="fileset" dir="${project.basedir}/src/main/protobuf">
-                      <include name="*.proto" />
+                      <include name="*.proto"/>
                     </fileset>
-                    <pathconvert refid="fileset" property="protos" pathsep=" " />
-                    <mkdir dir="${project.build.directory}/generated-sources/protobuf" />
-                    <chmod file="${protobuf.compiler}" perm="u+x" />
+                    <pathconvert refid="fileset" property="protos" pathsep=" "/>
+                    <mkdir dir="${project.build.directory}/generated-sources/protobuf"/>
+                    <chmod file="${protobuf.compiler}" perm="u+x"/>
                     <exec failonerror="true" executable="${protobuf.compiler}">
-                      <arg value="--proto_path=${project.basedir}/src/main/protobuf" />
-                      <arg value="--java_out=${project.build.directory}/generated-sources/protobuf" />
-                      <arg line="${protos}" />
+                      <arg value="--proto_path=${project.basedir}/src/main/protobuf"/>
+                      <arg value="--java_out=${project.build.directory}/generated-sources/protobuf"/>
+                      <arg line="${protos}"/>
                     </exec>
                   </target>
                 </configuration>