diff --git a/CHANGELOG b/CHANGELOG
index 915a0bf..31d9055 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,13 @@
 CHANGELOG
 =========
 
+2.1.0
+------
+
+* Upgrade checkstyle to 7.1.1
+* Fix PMD config typo
+* Upgrade kemitix-checkstyle-ruleset to 1.0.0
+
 2.0.0
 -----
 
diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..78efd78
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,15 @@
+The MIT License (MIT)
+Copyright (c) 2016 Paul Campbell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
index b34468e..66432b0 100644
--- a/README.md
+++ b/README.md
@@ -29,8 +29,9 @@ maven-source-plugin.version|3.0.1
 maven-gpg-plugin.version|1.6
 maven-deploy-plugin.version|2.8.2
 maven-checkstyle-plugin.version|2.17
-checkstyle.version|7.1
+checkstyle.version|7.1.1
 sevntu-checkstyle-maven-plugin.version|1.21.0
+kemitix-checkstyle-ruleset.version|1.0.0
 maven-compiler-plugin.version|3.5.1
 maven-surefire-plugin.version|2.19.1
 maven-failsafe-plugin.version|2.19.1
@@ -56,7 +57,7 @@ provide will be ignored unless you re-configure the maven-checkstyle-plugin your
 
 The ruleset that will be used is defined in
 [kemitix-checkstyle-ruleset](https://github.com/kemitix/kemitix-checkstyle-ruleset).
-See the that project's `README.md` file for details on the ruleset.
+See that project's `README.md` file for details on the ruleset.
 
 ### Configuration
 
diff --git a/pom.xml b/pom.xml
index 270fc7a..6bc93e7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>net.kemitix</groupId>
     <artifactId>kemitix-parent</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0</version>
     <packaging>pom</packaging>
 
     <name>Kemitix Parent</name>
@@ -40,14 +40,14 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <kemitix.build.directory>target</kemitix.build.directory>
-        <kemitix-checkstyle-ruleset.version>0.1.1</kemitix-checkstyle-ruleset.version>
+        <kemitix-checkstyle-ruleset.version>1.0.0</kemitix-checkstyle-ruleset.version>
 
         <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
         <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
         <maven-deploy-plugin.version>2.8.2</maven-deploy-plugin.version>
         <maven-checkstyle-plugin.version>2.17</maven-checkstyle-plugin.version>
-        <checkstyle.version>7.1</checkstyle.version>
+        <checkstyle.version>7.1.1</checkstyle.version>
         <sevntu-checkstyle-maven-plugin.version>1.21.0</sevntu-checkstyle-maven-plugin.version>
         <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
@@ -386,7 +386,7 @@
                 <artifactId>maven-pmd-plugin</artifactId>
                 <version>${maven-pmd-plugin.version}</version>
                 <configuration>
-                    <linkXref>true</linkXref>
+                    <linkXRef>true</linkXRef>
                 </configuration>
             </plugin><!-- maven-pmd-plugin -->