diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6288c8..0c7778e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -303,7 +303,7 @@ Project created as an alternative Java implementation of [ULID spec](https://git
 -   Added test cases
 
 [unreleased]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.1.0...HEAD
-[5.0.2]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.0.2...ulid-creator-5.1.0
+[5.1.0]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.0.2...ulid-creator-5.1.0
 [5.0.2]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.0.1...ulid-creator-5.0.2
 [5.0.1]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.0.0...ulid-creator-5.0.1
 [5.0.0]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-4.2.1...ulid-creator-5.0.0
diff --git a/pom.xml b/pom.xml
index 1b5ea7d..1d683c2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
 	<groupId>com.github.f4b6a3</groupId>
 	<artifactId>ulid-creator</artifactId>
-	<version>5.1.0</version>
+	<version>5.1.1-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>ulid-creator</name>
@@ -45,7 +45,7 @@
 		<url>https://github.com/f4b6a3/ulid-creator</url>
 		<connection>scm:git:ssh://git@github.com/f4b6a3/ulid-creator.git</connection>
 		<developerConnection>scm:git:ssh://git@github.com/f4b6a3/ulid-creator.git</developerConnection>
-		<tag>ulid-creator-5.1.0</tag>
+		<tag>HEAD</tag>
 	</scm>
 
 	<distributionManagement>