MIME4J-289 Upgrade junit 4.10 -> 4.12
diff --git a/pom.xml b/pom.xml
index ba6a845..37f0f52 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,7 +71,7 @@
         <target.jdk>1.8</target.jdk>
         <commons-logging.version>1.2</commons-logging.version>
         <log4j.version>1.2.14</log4j.version>
-        <junit.version>4.10</junit.version>
+        <junit.version>4.12</junit.version>
         <mockito.version>1.9.5</mockito.version>
         <commons-io.version>2.6</commons-io.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>