diff --git a/pom.xml b/pom.xml
index b122751..b358068 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,15 +58,10 @@
             <artifactId>slf4j-simple</artifactId>
             <version>1.7.7</version>
         </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>17.0</version>
-        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>