diff --git a/integration/pom.xml b/integration/pom.xml
index be07ec17b..39e8cd2b7 100755
--- a/integration/pom.xml
+++ b/integration/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/jcl-over-slf4j-blackbox/pom.xml b/jcl-over-slf4j-blackbox/pom.xml
index 35e02d1ac..402861edb 100644
--- a/jcl-over-slf4j-blackbox/pom.xml
+++ b/jcl-over-slf4j-blackbox/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/jcl-over-slf4j/pom.xml b/jcl-over-slf4j/pom.xml
index 99f6ca43b..40539efaa 100755
--- a/jcl-over-slf4j/pom.xml
+++ b/jcl-over-slf4j/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/jul-to-slf4j-blackbox/pom.xml b/jul-to-slf4j-blackbox/pom.xml
index 82ee56ded..933b2abd9 100644
--- a/jul-to-slf4j-blackbox/pom.xml
+++ b/jul-to-slf4j-blackbox/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/jul-to-slf4j/pom.xml b/jul-to-slf4j/pom.xml
index 7f9f412a0..528fea1cc 100755
--- a/jul-to-slf4j/pom.xml
+++ b/jul-to-slf4j/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/log4j-over-slf4j-blackbox/pom.xml b/log4j-over-slf4j-blackbox/pom.xml
index af2c3f13f..d7562b7eb 100644
--- a/log4j-over-slf4j-blackbox/pom.xml
+++ b/log4j-over-slf4j-blackbox/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/log4j-over-slf4j/pom.xml b/log4j-over-slf4j/pom.xml
index 89af81481..5ff504a34 100755
--- a/log4j-over-slf4j/pom.xml
+++ b/log4j-over-slf4j/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/osgi-over-slf4j/pom.xml b/osgi-over-slf4j/pom.xml
index 74bfe0b39..18da13abf 100755
--- a/osgi-over-slf4j/pom.xml
+++ b/osgi-over-slf4j/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/parent/pom.xml b/parent/pom.xml
index da6a3cac8..dbc2de8c2 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-bom</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
@@ -26,7 +26,7 @@
 
   <properties>
     <!-- yyyy-MM-dd'T'HH:mm:ss'Z' -->
-    <project.build.outputTimestamp>2023-12-18T13:21:30Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2023-12-28T19:21:00Z</project.build.outputTimestamp>
     <latest.1.version>1.7.36</latest.1.version>
     <!-- java.util.ServiceLoader requires Java 6 -->
     <jdk.version>11</jdk.version>
diff --git a/pom.xml b/pom.xml
index bb14e478a..8aa24cdc8 100755
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-bom</artifactId>
-  <version>2.1.0-alpha0-SNAPSHOT</version>
+  <version>2.1.0-alpha0</version>
   <packaging>pom</packaging>
 
   <url>http://www.slf4j.org</url>
diff --git a/slf4j-api/pom.xml b/slf4j-api/pom.xml
index bd39a691f..6c5c19d98 100755
--- a/slf4j-api/pom.xml
+++ b/slf4j-api/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-ext/pom.xml b/slf4j-ext/pom.xml
index 8688f5f37..fd0d44ec1 100755
--- a/slf4j-ext/pom.xml
+++ b/slf4j-ext/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-jdk-platform-logging/pom.xml b/slf4j-jdk-platform-logging/pom.xml
index 323aa6d98..8a3e4f742 100644
--- a/slf4j-jdk-platform-logging/pom.xml
+++ b/slf4j-jdk-platform-logging/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <artifactId>slf4j-parent</artifactId>
     <groupId>org.slf4j</groupId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-jdk14/pom.xml b/slf4j-jdk14/pom.xml
index 7f43bce97..ca9ace3ba 100755
--- a/slf4j-jdk14/pom.xml
+++ b/slf4j-jdk14/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-log4j12/pom.xml b/slf4j-log4j12/pom.xml
index 95a864ec8..2494c390a 100755
--- a/slf4j-log4j12/pom.xml
+++ b/slf4j-log4j12/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
   
@@ -24,7 +24,7 @@
     <relocation>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-reload4j</artifactId>
-      <version>2.0.9</version>      
+      <version>2.1.0-alpha0</version>      
     </relocation>
   </distributionManagement>
 
diff --git a/slf4j-migrator/pom.xml b/slf4j-migrator/pom.xml
index 429ea6192..ad03116c8 100755
--- a/slf4j-migrator/pom.xml
+++ b/slf4j-migrator/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-nop/pom.xml b/slf4j-nop/pom.xml
index b1a0d5b92..f41604b7e 100755
--- a/slf4j-nop/pom.xml
+++ b/slf4j-nop/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-reload4j/pom.xml b/slf4j-reload4j/pom.xml
index ffb53a12e..763de733d 100644
--- a/slf4j-reload4j/pom.xml
+++ b/slf4j-reload4j/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-simple/pom.xml b/slf4j-simple/pom.xml
index f1868edc1..2175966c1 100755
--- a/slf4j-simple/pom.xml
+++ b/slf4j-simple/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-testing/pom.xml b/slf4j-testing/pom.xml
index 7eb9cf2a1..25fccede3 100644
--- a/slf4j-testing/pom.xml
+++ b/slf4j-testing/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>2.1.0-alpha0-SNAPSHOT</version>
+    <version>2.1.0-alpha0</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>