diff --git a/CHANGES.md b/CHANGES.md
index f1a24d3..8dbf629 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -18,6 +18,18 @@
 -->
 # PHOENIX Changelog
 
+## Release thirdparty-1.1.0 - Unreleased (as of 2021-01-29)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [PHOENIX-6349](https://issues.apache.org/jira/browse/PHOENIX-6349) | Add and use commons-cli to phoenix-thirdparty |  Major | . |
+
+
+
 ## Release thirdparty-1.0.0 - Unreleased (as of 2020-10-14)
 
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 97b33cf..885d1ae 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -16,6 +16,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 -->
+
+
+# PHOENIX  thirdparty-1.1.0 Release Notes
+
+These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.
+
+
+---
+
+* [PHOENIX-6349](https://issues.apache.org/jira/browse/PHOENIX-6349) | *Major* | **Add and use commons-cli to phoenix-thirdparty**
+
+Added phoenix-shaded-commons-cli to phoenix-thirdparty.
+This helps avoid classpath conflicts and includes a patch on top of commons-cli 1.4.0 that fixes CLI-254.
+
+
 # PHOENIX  thirdparty-1.0.0 Release Notes
 
 These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.
diff --git a/phoenix-shaded-commons-cli/pom.xml b/phoenix-shaded-commons-cli/pom.xml
index 8e53052..cc286c0 100644
--- a/phoenix-shaded-commons-cli/pom.xml
+++ b/phoenix-shaded-commons-cli/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.phoenix.thirdparty</groupId>
     <artifactId>phoenix-thirdparty</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-SNAPSHOT</version>
   </parent>
   <artifactId>phoenix-shaded-commons-cli</artifactId>
   <name>Apache Phoenix Patched and Relocated (Shaded) Commons-CLI</name>
diff --git a/phoenix-shaded-guava/pom.xml b/phoenix-shaded-guava/pom.xml
index 1b573f2..e1f9a45 100644
--- a/phoenix-shaded-guava/pom.xml
+++ b/phoenix-shaded-guava/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.phoenix.thirdparty</groupId>
     <artifactId>phoenix-thirdparty</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>phoenix-shaded-guava</artifactId>
diff --git a/pom.xml b/pom.xml
index 4057f1b..9bd30b5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
   <groupId>org.apache.phoenix.thirdparty</groupId>
   <artifactId>phoenix-thirdparty</artifactId>
-  <version>1.1.0</version>
+  <version>1.2.0-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>Apache Phoenix Third-Party Libs</name>
   <description>Packaging of relocated (renamed, shaded) third-party libraries used by Phoenix.</description>