diff --git a/.gitignore b/.gitignore
index 3336e271..89bd2da0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /.settings/
 *.class
 *.iml
+.idea/
diff --git a/.idea/libraries/Maven__junit_junit_maven_plugin_4_11.xml b/.idea/libraries/Maven__junit_junit_maven_plugin_4_11.xml
deleted file mode 100644
index 5c436777..00000000
--- a/.idea/libraries/Maven__junit_junit_maven_plugin_4_11.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: junit:junit:maven-plugin:4.11">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.11/junit-4.11.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.11/junit-4.11-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.11/junit-4.11-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_hamcrest_hamcrest_all_1_3.xml b/.idea/libraries/Maven__org_hamcrest_hamcrest_all_1_3.xml
deleted file mode 100644
index 56193163..00000000
--- a/.idea/libraries/Maven__org_hamcrest_hamcrest_all_1_3.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: org.hamcrest:hamcrest-all:1.3">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-all/1.3/hamcrest-all-1.3.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-all/1.3/hamcrest-all-1.3-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-all/1.3/hamcrest-all-1.3-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml
deleted file mode 100644
index f58bbc11..00000000
--- a/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="Maven: org.hamcrest:hamcrest-core:1.3">
-    <CLASSES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/README.md b/README.md
index d3be63df..1f6c3515 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Download the latest .jar from the releases tab and place it in your classpath.
 Gradle users:
 
 ```
-compile 'net.i2p.crypto:eddsa:0.3.0'
+compile 'net.i2p.crypto:eddsa:0.3.1'
 ```
 
 Java 7 and above are supported.
@@ -66,6 +66,11 @@ For ease of following, here are the main methods in ref10 and their equivalents
 Important changes
 -----------------
 
+### 0.3.1 - Build improvements
+
+- Upgraded JUnit to remove CVE-2020-15250 vulnerability
+- Added OWASP plugin to check vulnerabilities
+
 ### 0.3.0
 
 - The library has been extensively profiled for contention issues in a multi-threaded environment.  The only
diff --git a/eddsa.iml b/eddsa.iml
deleted file mode 100644
index df0ea472..00000000
--- a/eddsa.iml
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_6" inherit-compiler-output="false">
-    <output url="file://$MODULE_DIR$/target/classes" />
-    <output-test url="file://$MODULE_DIR$/target/test-classes" />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
-      <excludeFolder url="file://$MODULE_DIR$/target" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-all:1.3" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: junit:junit:maven-plugin:4.11" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
-  </component>
-</module>
-
diff --git a/pom.xml b/pom.xml
index 0a000ed2..3be7d605 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>net.i2p.crypto</groupId>
   <artifactId>eddsa</artifactId>
-  <version>0.3.0</version>
+  <version>0.3.1</version>
   <name>EdDSA-Java</name>
   <packaging>bundle</packaging>
   <description>Implementation of EdDSA in Java</description>
@@ -149,6 +149,22 @@
           <autoReleaseAfterClose>true</autoReleaseAfterClose>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.owasp</groupId>
+        <artifactId>dependency-check-maven</artifactId>
+        <version>6.5.3</version>
+        <configuration>
+          <skipTestScope>false</skipTestScope>
+          <failBuildOnCVSS>0</failBuildOnCVSS>
+        </configuration>
+        <executions>
+          <execution>
+            <goals>
+              <goal>check</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
   <dependencies>
@@ -161,7 +177,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13.2</version>
       <type>maven-plugin</type>
       <scope>test</scope>
     </dependency>