diff --git a/pom.xml b/pom.xml
index 07aefae..a25ba89 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 
@@ -91,7 +91,7 @@
 		<dependency>
 			<groupId>org.jbehave</groupId>
 			<artifactId>jbehave-core</artifactId>
-			<version>4.1</version>
+			<version>4.8.2</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/de.codecentric/jbehave-junit-runner -->
 		<dependency>
@@ -104,7 +104,7 @@
 		<dependency>
 			<groupId>org.sonarsource.sslr</groupId>
 			<artifactId>sslr-core</artifactId>
-			<version>1.21</version>
+			<version>1.22</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.sonarsource.sslr/sslr-toolkit -->
 		<dependency>
@@ -116,7 +116,7 @@
 		<dependency>
 			<groupId>org.sonarsource.sslr</groupId>
 			<artifactId>sslr-testing-harness</artifactId>
-			<version>1.21</version>
+			<version>1.24.0.633</version>
 		</dependency>