Update README.md

Author: rholshausen

README.md

@@ -48,8 +48,8 @@ and in the [Pact-JVM wiki](https://github.com/DiUS/pact-jvm/wiki). [Stack Overfl
 
 | Branch                                                                 | Specification | JDK  | Kotlin Version | Latest Version | Notes                                  |
 |------------------------------------------------------------------------|---------------|------|----------------|----------------|----------------------------------------|
-| [4.4.x](https://github.com/DiUS/pact-jvm/blob/v4.4.x/README.md)        | V4 + plugins  | 11+  | 1.6.20         | 4.4.0-beta.1   |                                        |
-| [4.3.x](https://github.com/DiUS/pact-jvm/blob/v4.3.x/README.md) master | V4            | 11+  | 1.5.21         | 4.3.9          | [Upgrade notes](./upgrade-to-4.3.x.md) |
+| [4.4.x](https://github.com/DiUS/pact-jvm/blob/v4.4.x/README.md)        | V4 + plugins  | 11+  | 1.6.20         | 4.4.0-beta.3   |                                        |
+| [4.3.x](https://github.com/DiUS/pact-jvm/blob/v4.3.x/README.md) master | V4            | 11+  | 1.5.21         | 4.3.12          | [Upgrade notes](./upgrade-to-4.3.x.md) |
 | [4.1.x](https://github.com/DiUS/pact-jvm/blob/v4.1.x/README.md)        | V3            | 8-12 | 1.3.72         | 4.1.38         |                                        |
 
 ### Previous versions (not actively supported)