Update README.md

Author: lee1043

README.md

@@ -120,6 +120,7 @@ Release Notes and History
 
 | <div style="width:300%">[Versions]</div> | Update summary   |
 | ------------- | ------------------------------------- |
+| [v3.7.2]      | Technical update
 | [v3.7.1]      | Technical update with documentation improvements
 | [v3.7]        | New capability (**figure generation for mean climate**) and technical update
 | [v3.6.1]      | Technical update, additional QC repair functions
@@ -169,6 +170,7 @@ Release Notes and History
 </details>
 
 [Versions]: https://github.com/PCMDI/pcmdi_metrics/releases
+[v3.7.2]: https://github.com/PCMDI/pcmdi_metrics/releases/tag/v3.7.2
 [v3.7.1]: https://github.com/PCMDI/pcmdi_metrics/releases/tag/v3.7.1
 [v3.7]: https://github.com/PCMDI/pcmdi_metrics/releases/tag/v3.7
 [v3.6.1]: https://github.com/PCMDI/pcmdi_metrics/releases/tag/v3.6.1