update test libraries (#26)
diff --git a/pom.xml b/pom.xml
index b8ec790..53c1f89 100644
--- a/pom.xml
+++ b/pom.xml
@@ -222,19 +222,19 @@
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
- <version>4.12</version>
+ <version>4.13</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-core</artifactId>
- <version>1.3</version>
+ <version>2.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
- <version>1.3</version>
+ <version>2.2</version>
<scope>test</scope>
</dependency>
<dependency>