diff --git a/Scanner-Core/pom.xml b/Scanner-Core/pom.xml
index 5cf825d30..f23ee0c4d 100644
--- a/Scanner-Core/pom.xml
+++ b/Scanner-Core/pom.xml
@@ -4,11 +4,11 @@
     <parent>
         <groupId>de.rub.nds.tlsscanner</groupId>
         <artifactId>TLS-Scanner</artifactId>
-        <version>4.3.0-SNAPSHOT</version>
+        <version>4.2.1</version>
     </parent>
     <packaging>jar</packaging>
     <artifactId>Scanner-Core</artifactId>
-    <version>4.3.0-SNAPSHOT</version>
+    <version>4.2.1</version>
     <build>
         <plugins>
             <plugin>
diff --git a/TLS-Client-Scanner/pom.xml b/TLS-Client-Scanner/pom.xml
index 4366cae0e..f678512be 100644
--- a/TLS-Client-Scanner/pom.xml
+++ b/TLS-Client-Scanner/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.rub.nds.tlsscanner</groupId>
         <artifactId>TLS-Scanner</artifactId>
-        <version>4.3.0-SNAPSHOT</version>
+        <version>4.2.1</version>
     </parent>
     <name>TLS-Client-Scanner</name>
     <packaging>jar</packaging>
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>de.rub.nds.tlsscanner</groupId>
             <artifactId>Scanner-Core</artifactId>
-            <version>4.3.0-SNAPSHOT</version>
+            <version>4.2.1</version>
             <type>jar</type>
         </dependency>
     </dependencies>
diff --git a/TLS-Scanner-Core/pom.xml b/TLS-Scanner-Core/pom.xml
index 4dcd222b3..b3788bde1 100644
--- a/TLS-Scanner-Core/pom.xml
+++ b/TLS-Scanner-Core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.rub.nds.tlsscanner</groupId>
         <artifactId>TLS-Scanner</artifactId>
-        <version>4.3.0-SNAPSHOT</version>
+        <version>4.2.1</version>
     </parent>
     <packaging>jar</packaging>
     <artifactId>TLS-Scanner-Core</artifactId>
diff --git a/TLS-Server-Scanner/pom.xml b/TLS-Server-Scanner/pom.xml
index 30f305674..5072df5ad 100644
--- a/TLS-Server-Scanner/pom.xml
+++ b/TLS-Server-Scanner/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.rub.nds.tlsscanner</groupId>
         <artifactId>TLS-Scanner</artifactId>
-        <version>4.3.0-SNAPSHOT</version>
+        <version>4.2.1</version>
     </parent>
     <name>TLS-Server-Scanner</name>
     <packaging>jar</packaging>
@@ -67,7 +67,7 @@
         <dependency>
             <groupId>de.rub.nds.tlsscanner</groupId>
             <artifactId>Scanner-Core</artifactId>
-            <version>4.3.0-SNAPSHOT</version>
+            <version>4.2.1</version>
             <type>jar</type>
         </dependency>
     </dependencies>
diff --git a/pom.xml b/pom.xml
index 84cdf93b4..2c291ac32 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>TLS-Scanner</artifactId>
     <groupId>de.rub.nds.tlsscanner</groupId>
-    <version>4.3.0-SNAPSHOT</version>
+    <version>4.2.1</version>
     <packaging>pom</packaging>
     <name>TLS-Scanner</name>
     <url>https://github.com/tls-attacker/TLS-Scanner</url>
@@ -60,7 +60,7 @@
         <dependency>
             <groupId>de.rub.nds.tlsattacker</groupId>
             <artifactId>TLS-Core</artifactId>
-            <version>3.9.0-SNAPSHOT</version>
+            <version>3.8.0</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>