diff --git a/integration/pom.xml b/integration/pom.xml
index cf37fa788..51a9dd29b 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/jcl-over-slf4j-blackbox/pom.xml b/jcl-over-slf4j-blackbox/pom.xml
index 1e92eda1a..ea68e89cd 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/jcl-over-slf4j/pom.xml b/jcl-over-slf4j/pom.xml
index 187455c95..bd057df2b 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/jul-to-slf4j-blackbox/pom.xml b/jul-to-slf4j-blackbox/pom.xml
index 7a837c214..5186b78d5 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/jul-to-slf4j/pom.xml b/jul-to-slf4j/pom.xml
index 3220444ca..d63e6c8c8 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/log4j-over-slf4j-blackbox/pom.xml b/log4j-over-slf4j-blackbox/pom.xml
index 7a37ae3d1..b236bd5f9 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/log4j-over-slf4j/pom.xml b/log4j-over-slf4j/pom.xml
index d3d0a1436..a191016fc 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/osgi-over-slf4j/pom.xml b/osgi-over-slf4j/pom.xml
index d77f29959..c15c4ff1d 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/parent/pom.xml b/parent/pom.xml
index 7e17a164a..a3529ef3a 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
@@ -26,7 +26,7 @@
 
   <properties>
     <!-- yyyy-MM-dd'T'HH:mm:ss'Z' -->
-    <project.build.outputTimestamp>2023-12-28T23:04:51Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-01-02T19:20:00Z</project.build.outputTimestamp>
     <latest.1.version>1.7.36</latest.1.version>
     <!-- java.util.ServiceLoader requires Java 6 -->
     <jdk.version>8</jdk.version>
diff --git a/pom.xml b/pom.xml
index 9e46f1d8e..a53310032 100755
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-bom</artifactId>
-  <version>2.1.0-alpha1-SNAPSHOT</version>
+  <version>2.1.0-alpha1</version>
   <packaging>pom</packaging>
 
   <url>http://www.slf4j.org</url>
@@ -169,7 +169,7 @@
             slf4j-testing,slf4j-jdk-platform-logging,jcl-over-slf4j-blackbox,log4j-over-slf4j-blackbox,jul-to-slf4j-blackbox,slf4j-migrator,osgi-over-slf4j
           </skippedModules>
           <detectLinks>true</detectLinks>
-          <doctitle>SLF4J project modules 2.1.0-alpha0</doctitle>
+          <doctitle>SLF4J project modules 2.1.0-alpha1</doctitle>
           <windowtitle>SLF4J javadoc</windowtitle>
           <bottom><![CDATA[Copyright  &copy; 2005-{currentYear} QOS.CH Sarl. All rights reserved]]></bottom>
           <linksource>true</linksource>
diff --git a/slf4j-api/pom.xml b/slf4j-api/pom.xml
index ee9851732..7effe21d1 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-ext/pom.xml b/slf4j-ext/pom.xml
index c83a3ce5b..c071ff646 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-jdk-platform-logging/pom.xml b/slf4j-jdk-platform-logging/pom.xml
index b3c5e511a..f01e83a07 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-jdk14/pom.xml b/slf4j-jdk14/pom.xml
index a56e07f6c..d4b0025fa 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-log4j12/pom.xml b/slf4j-log4j12/pom.xml
index 134a71dcb..e9d6b8bb9 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
   
@@ -24,7 +24,7 @@
     <relocation>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-reload4j</artifactId>
-      <version>2.1.0-alpha0</version>      
+      <version>2.1.0-alpha1</version>      
     </relocation>
   </distributionManagement>
 
diff --git a/slf4j-migrator/pom.xml b/slf4j-migrator/pom.xml
index ca79a8fea..37958eb43 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-nop/pom.xml b/slf4j-nop/pom.xml
index d89f1fe2c..a09b12e58 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-reload4j/pom.xml b/slf4j-reload4j/pom.xml
index 307e54ab0..9d887ea46 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-simple/pom.xml b/slf4j-simple/pom.xml
index c64255636..036dd716a 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/slf4j-testing/pom.xml b/slf4j-testing/pom.xml
index 7a2d2af6b..425d14c89 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-alpha1-SNAPSHOT</version>
+    <version>2.1.0-alpha1</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>