diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8db559..d307a63 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,15 @@ All notable changes to this project are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.1] - 2026-07-29
+
+### Fixed
+- No source code changes. `v1.2.0` was originally tagged before its corresponding pull request was merged into
+  `main`, so the published tag pointed to the pre-merge commit instead of the datacenter/worker id split described
+  in its release notes. The tag was corrected on GitHub, but JitPack had already cached a build under the
+  `v1.2.0` name pointing to the old commit. This release is a clean re-tag of the same `v1.2.0` code under a new
+  version, so JitPack builds it fresh. Depend on `v1.2.1` (not `v1.2.0`) to get the corrected code.
+
 ## [1.2.0] - 2026-07-29
 
 ### Changed
diff --git a/README.md b/README.md
index 9a2309d..1a5fd53 100644
--- a/README.md
+++ b/README.md
@@ -167,7 +167,7 @@ This check is implemented as an annotation processor bundled in `snowflake-jpa`.
             <path>
                 <groupId>com.github.Fayupable.snowflake-id-java</groupId>
                 <artifactId>snowflake-jpa</artifactId>
-                <version>v1.2.0</version>
+                <version>v1.2.1</version>
             </path>
         </annotationProcessorPaths>
     </configuration>
diff --git a/pom.xml b/pom.xml
index 32e7b1d..c43fd58 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.fayupable</groupId>
     <artifactId>snowflake-id-java</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.1</version>
     <packaging>pom</packaging>
 
     <properties>
diff --git a/snowflake-benchmark/pom.xml b/snowflake-benchmark/pom.xml
index 298ef27..a1a5b17 100644
--- a/snowflake-benchmark/pom.xml
+++ b/snowflake-benchmark/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.fayupable</groupId>
     <artifactId>snowflake-benchmark</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.1</version>
 
     <properties>
         <maven.compiler.source>21</maven.compiler.source>
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>com.fayupable</groupId>
             <artifactId>snowflake-core</artifactId>
-            <version>1.2.0</version>
+            <version>1.2.1</version>
         </dependency>
         <dependency>
             <groupId>org.openjdk.jmh</groupId>
diff --git a/snowflake-core/pom.xml b/snowflake-core/pom.xml
index 6fb0af6..ef3e8b3 100644
--- a/snowflake-core/pom.xml
+++ b/snowflake-core/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.fayupable</groupId>
         <artifactId>snowflake-id-java</artifactId>
-        <version>1.2.0</version>
+        <version>1.2.1</version>
     </parent>
 
     <artifactId>snowflake-core</artifactId>
diff --git a/snowflake-jpa-spring/pom.xml b/snowflake-jpa-spring/pom.xml
index 0e9bca9..9eb16de 100644
--- a/snowflake-jpa-spring/pom.xml
+++ b/snowflake-jpa-spring/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.fayupable</groupId>
         <artifactId>snowflake-id-java</artifactId>
-        <version>1.2.0</version>
+        <version>1.2.1</version>
     </parent>
 
     <artifactId>snowflake-jpa-spring</artifactId>
diff --git a/snowflake-jpa/pom.xml b/snowflake-jpa/pom.xml
index 2726296..6a7c79e 100644
--- a/snowflake-jpa/pom.xml
+++ b/snowflake-jpa/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.fayupable</groupId>
         <artifactId>snowflake-id-java</artifactId>
-        <version>1.2.0</version>
+        <version>1.2.1</version>
     </parent>
 
     <artifactId>snowflake-jpa</artifactId>