diff --git a/data-node/pom.xml b/data-node/pom.xml
index ae811e2200..1eef4d1d3c 100644
--- a/data-node/pom.xml
+++ b/data-node/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.graylog</groupId>
         <artifactId>graylog-project-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
         <relativePath>../graylog-project-parent</relativePath>
     </parent>
 
diff --git a/distribution/pom.xml b/distribution/pom.xml
index fba3da625b..fd08a7b87b 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <artifactId>graylog-parent</artifactId>
         <groupId>org.graylog</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/full-backend-tests/pom.xml b/full-backend-tests/pom.xml
index 37c61fab70..34c6d1201f 100644
--- a/full-backend-tests/pom.xml
+++ b/full-backend-tests/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.graylog</groupId>
         <artifactId>graylog-project-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
         <relativePath>../graylog-project-parent</relativePath>
     </parent>
 
diff --git a/graylog-plugin-archetype/pom.xml b/graylog-plugin-archetype/pom.xml
index f4c1597f94..4f6202194a 100644
--- a/graylog-plugin-archetype/pom.xml
+++ b/graylog-plugin-archetype/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.graylog</groupId>
         <artifactId>graylog-project-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
         <relativePath>../graylog-project-parent</relativePath>
     </parent>
 
diff --git a/graylog-plugin-parent/graylog-plugin-web-parent/pom.xml b/graylog-plugin-parent/graylog-plugin-web-parent/pom.xml
index 683d4eefdd..b62b04f271 100644
--- a/graylog-plugin-parent/graylog-plugin-web-parent/pom.xml
+++ b/graylog-plugin-parent/graylog-plugin-web-parent/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.graylog.plugins</groupId>
         <artifactId>graylog-plugin-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
     </parent>
 
     <artifactId>graylog-plugin-web-parent</artifactId>
diff --git a/graylog-plugin-parent/pom.xml b/graylog-plugin-parent/pom.xml
index 6d19252e7c..90e858198f 100644
--- a/graylog-plugin-parent/pom.xml
+++ b/graylog-plugin-parent/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.graylog</groupId>
         <artifactId>graylog-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
     </parent>
 
     <groupId>org.graylog.plugins</groupId>
diff --git a/graylog-project-parent/pom.xml b/graylog-project-parent/pom.xml
index 4fa6d630b7..c5975a55c3 100644
--- a/graylog-project-parent/pom.xml
+++ b/graylog-project-parent/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.graylog</groupId>
         <artifactId>graylog-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
     </parent>
 
     <artifactId>graylog-project-parent</artifactId>
diff --git a/graylog-storage-elasticsearch7/pom.xml b/graylog-storage-elasticsearch7/pom.xml
index ff9f46f9bc..814348baa7 100644
--- a/graylog-storage-elasticsearch7/pom.xml
+++ b/graylog-storage-elasticsearch7/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.graylog.plugins</groupId>
         <artifactId>graylog-plugin-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
         <relativePath>../graylog-plugin-parent</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/graylog-storage-opensearch2/pom.xml b/graylog-storage-opensearch2/pom.xml
index 851574b025..af42bb8460 100644
--- a/graylog-storage-opensearch2/pom.xml
+++ b/graylog-storage-opensearch2/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.graylog.plugins</groupId>
         <artifactId>graylog-plugin-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
         <relativePath>../graylog-plugin-parent</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/graylog2-server/pom.xml b/graylog2-server/pom.xml
index 028c80c225..c8076073a9 100644
--- a/graylog2-server/pom.xml
+++ b/graylog2-server/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.graylog</groupId>
         <artifactId>graylog-project-parent</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.3.0-alpha.2</version>
         <relativePath>../graylog-project-parent</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index e4756083ff..7fcbfbefb2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
 
     <groupId>org.graylog</groupId>
     <artifactId>graylog-parent</artifactId>
-    <version>6.3.0-SNAPSHOT</version>
+    <version>6.3.0-alpha.2</version>
     <packaging>pom</packaging>
 
     <name>Graylog Parent POM</name>