diff --git a/RELEASE.md b/RELEASE.md
index cf0f7340a..916c5ff69 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -30,8 +30,10 @@ Release cadence of first pre-releases being cut is 6 weeks.
 | v2.23          | 2020-11-18                                 | Ganesh Vernekar (GitHub: @codesome)         |
 | v2.24          | 2020-12-30                                 | Björn Rabenstein (GitHub: @beorn7)          |
 | v2.25          | 2021-02-10                                 | Julien Pivotto (GitHub: @roidelapluie)      |
-| v2.26          | 2021-03-24                                 | **searching for volunteer**                 |
-| v2.27          | 2021-05-05                                 | **searching for volunteer**                 |
+| v2.26          | 2021-03-24                                 | Bartek Plotka (GitHub: @bwplotka)           |
+| v2.27          | 2021-05-05                                 | Chris Marchbanks (GitHub: @csmarchbanks)    |
+| v2.28          | 2021-06-16                                 | **searching for volunteer**                 |
+| v2.29          | 2021-07-28                                 | **searching for volunteer**                 |
 
 If you are interested in volunteering please create a pull request against the [prometheus/prometheus](https://github.com/prometheus/prometheus) repository and propose yourself for the release series of your choice.