diff --git a/bundles/edu.kit.kastel.sdq.eclipse.common.api/META-INF/MANIFEST.MF b/bundles/edu.kit.kastel.sdq.eclipse.common.api/META-INF/MANIFEST.MF
index 8e154ae9..16c2cbad 100644
--- a/bundles/edu.kit.kastel.sdq.eclipse.common.api/META-INF/MANIFEST.MF
+++ b/bundles/edu.kit.kastel.sdq.eclipse.common.api/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: edu.kit.kastel.sdq.eclipse.common.api
 Bundle-SymbolicName: edu.kit.kastel.sdq.eclipse.common.api
-Bundle-Version: 4.9.0
+Bundle-Version: 4.8.3
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Export-Package: edu.kit.kastel.eclipse.common.api,
  edu.kit.kastel.eclipse.common.api.artemis,
diff --git a/bundles/edu.kit.kastel.sdq.eclipse.common.client/META-INF/MANIFEST.MF b/bundles/edu.kit.kastel.sdq.eclipse.common.client/META-INF/MANIFEST.MF
index af7ff6af..9b6c2346 100644
--- a/bundles/edu.kit.kastel.sdq.eclipse.common.client/META-INF/MANIFEST.MF
+++ b/bundles/edu.kit.kastel.sdq.eclipse.common.client/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: edu.kit.kastel.sdq.eclipse.common.client
 Bundle-SymbolicName: edu.kit.kastel.sdq.eclipse.common.client;singleton:=true
-Bundle-Version: 4.9.0
+Bundle-Version: 4.8.3
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Require-Bundle: edu.kit.kastel.sdq.eclipse.common.api,
  com.fasterxml.jackson.core.jackson-annotations,
diff --git a/bundles/edu.kit.kastel.sdq.eclipse.common.core/META-INF/MANIFEST.MF b/bundles/edu.kit.kastel.sdq.eclipse.common.core/META-INF/MANIFEST.MF
index 1c4e157c..adf1f974 100644
--- a/bundles/edu.kit.kastel.sdq.eclipse.common.core/META-INF/MANIFEST.MF
+++ b/bundles/edu.kit.kastel.sdq.eclipse.common.core/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: edu.kit.kastel.sdq.eclipse.common.core
 Bundle-SymbolicName: edu.kit.kastel.sdq.eclipse.common.core
-Bundle-Version: 4.9.0
+Bundle-Version: 4.8.3
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Export-Package: edu.kit.kastel.eclipse.common.core,
  edu.kit.kastel.eclipse.common.core.artemis
diff --git a/bundles/edu.kit.kastel.sdq.eclipse.common.view/META-INF/MANIFEST.MF b/bundles/edu.kit.kastel.sdq.eclipse.common.view/META-INF/MANIFEST.MF
index c6cffb1a..5d785413 100644
--- a/bundles/edu.kit.kastel.sdq.eclipse.common.view/META-INF/MANIFEST.MF
+++ b/bundles/edu.kit.kastel.sdq.eclipse.common.view/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: edu.kit.kastel.sdq.eclipse.common
 Bundle-SymbolicName: edu.kit.kastel.sdq.eclipse.common.view;singleton:=true
-Bundle-Version: 4.9.0
+Bundle-Version: 4.8.3
 Require-Bundle: org.eclipse.ui,
  org.eclipse.ui.ide,
  org.eclipse.ui.editors,
diff --git a/bundles/edu.kit.kastel.sdq.eclipse.grading.view/META-INF/MANIFEST.MF b/bundles/edu.kit.kastel.sdq.eclipse.grading.view/META-INF/MANIFEST.MF
index 5d71b1ab..928647d4 100644
--- a/bundles/edu.kit.kastel.sdq.eclipse.grading.view/META-INF/MANIFEST.MF
+++ b/bundles/edu.kit.kastel.sdq.eclipse.grading.view/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: edu.kit.kastel.sdq.eclipse.grading.view
 Bundle-SymbolicName: edu.kit.kastel.sdq.eclipse.grading.view;singleton:=true
-Bundle-Version: 4.9.0
+Bundle-Version: 4.8.3
 Require-Bundle: org.eclipse.ui,
  org.eclipse.ui.ide,
  org.eclipse.core.runtime,
diff --git a/features/edu.kit.kastel.sdq.eclipse.grading.feature/feature.xml b/features/edu.kit.kastel.sdq.eclipse.grading.feature/feature.xml
index 2c2ac8f1..4a55e86c 100644
--- a/features/edu.kit.kastel.sdq.eclipse.grading.feature/feature.xml
+++ b/features/edu.kit.kastel.sdq.eclipse.grading.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="edu.kit.kastel.sdq.eclipse.grading.feature"
       label="%featureName"
-      version="4.9.0"
+      version="4.8.3"
       provider-name="%providerName">
 
    <description>
diff --git a/pom.xml b/pom.xml
index c7a7bbc8..fd4dddf7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>edu.kit.kastel.sdq.artemis</groupId>
     <artifactId>parent</artifactId>
-    <version>4.9.0</version>
+    <version>4.8.3</version>
     <packaging>pom</packaging>
     <name>Artemis Eclipse Importer</name>
     <modules>
diff --git a/releng/edu.kit.kastel.sdq.eclipse.grading.product/edu.kit.kastel.sdq.eclipse.grading.product b/releng/edu.kit.kastel.sdq.eclipse.grading.product/edu.kit.kastel.sdq.eclipse.grading.product
index 80f46814..680ec931 100644
--- a/releng/edu.kit.kastel.sdq.eclipse.grading.product/edu.kit.kastel.sdq.eclipse.grading.product
+++ b/releng/edu.kit.kastel.sdq.eclipse.grading.product/edu.kit.kastel.sdq.eclipse.grading.product
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?pde version="3.5"?>
 
-<product name="Eclipse Artemis Grading" uid="edu.kit.kastel.sdq.eclipse.grading.product" id="edu.kit.kastel.sdq.eclipse.grading.eclipse.ArtemisGradingEclipse" application="org.eclipse.ui.ide.workbench" version="4.9.0" useFeatures="true" includeLaunchers="true" autoIncludeRequirements="true">
+<product name="Eclipse Artemis Grading" uid="edu.kit.kastel.sdq.eclipse.grading.product" id="edu.kit.kastel.sdq.eclipse.grading.eclipse.ArtemisGradingEclipse" application="org.eclipse.ui.ide.workbench" version="4.8.3" useFeatures="true" includeLaunchers="true" autoIncludeRequirements="true">
 
    <aboutInfo>
       <text>
diff --git a/releng/edu.kit.kastel.sdq.eclipse.grading.product/pom.xml b/releng/edu.kit.kastel.sdq.eclipse.grading.product/pom.xml
index abb3b617..fbda9de8 100644
--- a/releng/edu.kit.kastel.sdq.eclipse.grading.product/pom.xml
+++ b/releng/edu.kit.kastel.sdq.eclipse.grading.product/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>edu.kit.kastel.sdq.artemis</groupId>
         <artifactId>releng</artifactId>
-        <version>4.9.0</version>
+        <version>4.8.3</version>
         <relativePath>../</relativePath>
     </parent>
     <artifactId>edu.kit.kastel.sdq.eclipse.grading.product</artifactId>
diff --git a/releng/edu.kit.kastel.sdq.eclipse.updatesite/category.xml b/releng/edu.kit.kastel.sdq.eclipse.updatesite/category.xml
index 15bbfcd5..8deed384 100644
--- a/releng/edu.kit.kastel.sdq.eclipse.updatesite/category.xml
+++ b/releng/edu.kit.kastel.sdq.eclipse.updatesite/category.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <site>
-   <feature url="features/edu.kit.kastel.sdq.eclipse.grading.feature_4.9.0.jar" id="edu.kit.kastel.sdq.eclipse.grading.feature" version="4.9.0">
+   <feature url="features/edu.kit.kastel.sdq.eclipse.grading.feature_4.8.3.jar" id="edu.kit.kastel.sdq.eclipse.grading.feature" version="4.8.3">
       <category name="Eclipse Artemis Grading"/>
    </feature>
-   <feature id="edu.kit.kastel.sdq.eclipse.grading.feature.source" version="4.9.0">
+   <feature id="edu.kit.kastel.sdq.eclipse.grading.feature.source" version="4.8.3">
       <category name="Eclipse Artemis Grading"/>
    </feature>
    <feature id="org.eclipse.pde">
diff --git a/releng/pom.xml b/releng/pom.xml
index 59f8fc4e..aed85d22 100644
--- a/releng/pom.xml
+++ b/releng/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>edu.kit.kastel.sdq.artemis</groupId>
         <artifactId>parent</artifactId>
-        <version>4.9.0</version>
+        <version>4.8.3</version>
         <relativePath>../</relativePath>
     </parent>
     <artifactId>releng</artifactId>