diff --git a/.gitignore b/.gitignore
index 757cc26..1678e61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@ src/test/resources/.demojar.jar
 src/test/resources/resources_file.txt
 *.iml
 .idea
+*.swp
+
diff --git a/pom.xml b/pom.xml
index 422b491..cca7de5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -62,17 +62,17 @@
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <version>2.5</version>
+      <version>2.8.0</version>
     </dependency>
     <dependency>
       <groupId>com.googlecode.json-simple</groupId>
       <artifactId>json-simple</artifactId>
-      <version>1.1</version>
+      <version>1.1.1</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>