diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10e2cfe..65806e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,11 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
-Nothing.
+## [3.1.1] - 2021-07-17
+
+### Added
+
+- Added module name for Java 9+
 
 ## [3.1.0] - 2021-02-13
 
@@ -32,7 +36,7 @@ Adds static methods for extracting information from ULIDs.
 
 This version breaks compatibility. It is a rewrite from scratch.
 
-Now the `uuid-creator` can generate two types of ULID: default (non-monotonic) and monotonic. Until version 2.3.3 this library only generated monotonic ULIDs.
+Now the `ulid-creator` can generate two types of ULID: default (non-monotonic) and monotonic. Until version 2.3.3 this library only generated monotonic ULIDs.
 
 ### Added
 
@@ -51,9 +55,9 @@ Now the `uuid-creator` can generate two types of ULID: default (non-monotonic) a
 
 ### Changed
 
-- Rewrited `ulid-creator`
-- Rewrited all `README.md`
-- Rewrited all test cases
+- Rewrote `UlidCreator`
+- Rewrote all `README.md`
+- Rewrote all test cases
 
 ### Removed
 
@@ -65,7 +69,7 @@ Now the `uuid-creator` can generate two types of ULID: default (non-monotonic) a
 - Removed class `InvalidUlidException`, replaced by `IllegalArgumentException`
 - Removed interface `RandomStrategy`, replaced by `RandomGenerator`
 - Removed class `DefaultRandomStrategy`, replaced by `DefaultRandomGenerator`
-- Removed class `OtherRandomStrategy``
+- Removed class `OtherRandomStrategy`
 - Removed interface `TimestampStrategy`
 - Removed class `DefaultTimestampStrategy`
 - Removed class `FixedTimestampStrategy`
@@ -225,7 +229,8 @@ Project created as an alternative Java implementation of [ULID spec](https://git
 - Added `LICENSE`
 - Added test cases
 
-[unreleased]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-3.1.0...HEAD
+[unreleased]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-3.1.1...HEAD
+[3.1.0]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-3.1.0...ulid-creator-3.1.1
 [3.1.0]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-3.0.1...ulid-creator-3.1.0
 [3.0.1]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-3.0.0...ulid-creator-3.0.1
 [3.0.0]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-2.3.3...ulid-creator-3.0.0
diff --git a/README.md b/README.md
index df560f6..a54f8b8 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 # ULID Creator
 
-A Java library for generating [ULIDs](https://github.com/ulid/spec).
+A Java library for generating [ULIDs](https://github.com/ulid/spec) (Universally Unique Lexicographically Sortable Identifier).
 
 * Generated in lexicographical order;
 * Can be stored as a UUID/GUID;
@@ -35,11 +35,13 @@ Add these lines to your `pom.xml`.
 <dependency>
   <groupId>com.github.f4b6a3</groupId>
   <artifactId>ulid-creator</artifactId>
-  <version>3.1.0</version>
+  <version>3.1.1</version>
 </dependency>
 ```
 See more options in [maven.org](https://search.maven.org/artifact/com.github.f4b6a3/ulid-creator).
 
+Module name: `com.github.f4b6a3.ulid`.
+
 ### ULID
 
 The ULID is a 128 bit long identifier. The first 48 bits represent the count of milliseconds since Unix Epoch, 1970-01-01. The remaining 80 bits are generated by a secure random number generator.
@@ -211,7 +213,7 @@ UlidFactory factory = UlidCreator.getDefaultFactory().withRandomGenerator(awesom
 Ulid ulid = factory.create();
 ```
 
-(*) since it provides a void method like `nextBytes(byte[])`.
+(*) as long as it provides a void method like `nextBytes(byte[])`.
 
 Benchmark
 ------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index a5040ca..10030e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 
 	<name>ulid-creator</name>
 	<url>http://github.com/f4b6a3/ulid-creator</url>
-	<description>A Java library for generating and handling ULIDs.</description>
+	<description>A Java library for generating and handling ULIDs (Universally Unique Lexicographically Sortable Identifier).</description>
 
 
 	<licenses>
@@ -25,10 +25,11 @@
 	</developers>
 
 	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<jdk.version>8</jdk.version>
+		<module.name>com.github.f4b6a3.ulid</module.name>
 		<maven.compiler.source>${jdk.version}</maven.compiler.source>
 		<maven.compiler.target>${jdk.version}</maven.compiler.target>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
 
 	<dependencies>
@@ -60,6 +61,25 @@
 
 	<build>
 		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<version>3.2.0</version>
+				<configuration>
+					<archive>
+						<manifestEntries>
+							<Automatic-Module-Name>${module.name}</Automatic-Module-Name>
+						</manifestEntries>
+					</archive>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-javadoc-plugin</artifactId>
+				<version>3.2.0</version>
+				<configuration>
+				</configuration>
+			</plugin>
 			<plugin>
 				<artifactId>maven-deploy-plugin</artifactId>
 				<version>2.8.2</version>