diff --git a/pom.xml b/pom.xml
index fd096c0..0b3a8d9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,19 +67,19 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.6.6</version>
+			<version>1.7.30</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter</artifactId>
+			<version>5.8.2</version>
 			<scope>test</scope>
 		</dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter</artifactId>
-            <version>5.7.1</version>
-            <scope>test</scope>
-        </dependency>
 		<dependency>
 			<groupId>nl.jqno.equalsverifier</groupId>
 			<artifactId>equalsverifier</artifactId>
-			<version>3.1.10</version>
+			<version>3.7.2</version>
 			<scope>test</scope>
 		</dependency>
     </dependencies>