diff --git a/README.md b/README.md
index 8065643..dceb5cc 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ Join link: [Google meet](https://meet.google.com/jyx-mxnq-kpk)
## 2026 2Q meetup list
+- [289th, 2026-05-30](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/561), joined 2
- [288th, 2026-05-23](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/560), joined 2
- [287th, 2026-05-16](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/559), joined 4
- [286th, 2026-05-09](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/555), joined 3
@@ -511,13 +512,13 @@ and participate more than 30 online meetup, get the chicken gifticon.
|Ranking|Name|Count|
|-------|----|-----|
-|1|[Kim Jong Feel](https://github.com/jongfeel/)|21|
+|1|[Kim Jong Feel](https://github.com/jongfeel/)|22|
|2|[최지윤](https://github.com/chichoon/)|19|
|3|[TaeWon](https://github.com/ytw9699/)|8|
|4|[Yeshin Lee](https://github.com/yeslee-v/)|7|
|5|[LeeDaYeon](https://github.com/ErigoLee/)|7|
|6|[loginshin](https://github.com/loginshin/)|5|
-|7|[Byeongguk Ahn](https://github.com/nonoaa/)|4|
+|7|[Byeongguk Ahn](https://github.com/nonoaa/)|5|
|8|[Daewon Paeng](https://github.com/fora22/)|1|
|9|[ARi](https://github.com/hyunhyee/)|1|
|10|[Harry Ho](https://github.com/hemil0102/)|1|
@@ -526,12 +527,12 @@ and participate more than 30 online meetup, get the chicken gifticon.
|Ranking|Name|Count|
|-------|----|-----|
-|1|[jongfeel](https://github.com/jongfeel/)|282|
+|1|[jongfeel](https://github.com/jongfeel/)|283|
|2|[최지윤](https://github.com/chichoon)|189|
|3|[yeslee-v](https://github.com/yeslee-v/)|110|
|4|[TaeWon](https://github.com/ytw9699/)|52|
|5|[Jeongan Lee](https://github.com/fkdl0048/)|51|
-|6|[Byeongguk Ahn](https://github.com/nonoaa/)|41|
+|6|[Byeongguk Ahn](https://github.com/nonoaa/)|42|
|7|[Joseph-Cha](https://github.com/Joseph-Cha/)|34|
|8|[hyuncho](https://github.com/aquamagic9/)|33|
|9|[hi-hyein](https://github.com/hi-hyein/)|30|
diff --git a/Stamp/README.md b/Stamp/README.md
index 69ec9f2..4ae0873 100644
--- a/Stamp/README.md
+++ b/Stamp/README.md
@@ -30,9 +30,9 @@
| Name | 04-04 (281th) | 04-11 (282th) | 04-18 (283th) | 04-25 (284th) | 05-02 (285th) | 05-09 (286th) | 05-16 (287th) | 05-23 (288th) | 05-30 (289th) | 06-06 (290th) | 06-13 (291th) | 06-20 (292th) | 06-27 (293th) |
|-|-|-|-|-|-|-|-|-|-|-|-|-|-|
-| [Kim Jong Feel](https://github.com/jongfeel/) | 
| | | | | | | | | | | | |
+| [Kim Jong Feel](https://github.com/jongfeel/) | | | | | | | | | | | | | |
+| [Byeongguk Ahn](https://github.com/nonoaa/) | | 
book 18/20 | book 19/20 | book 20/20 | | | book 1/20 | | 
book 2/20 | | | | |
| [최지윤](https://github.com/chichoon) | book 7/20 | book 8/20 | book 9/20 | book 10/20 | book 11/20 | book 12/20 | book 13/20 | book 14/20 | | | | | |
-| [Byeongguk Ahn](https://github.com/nonoaa/) | | book 18/20 | book 19/20 | book 20/20 | | | book 1/20 | | | | | | |
| [loginshin](https://github.com/loginshin/) | | | book 2/20 | book 3/20 | | book 4/20 | book 5/20 | | | | | | |
| [TaeWon](https://github.com/ytw9699/) | | book 20/20 | | | book 1/20 | | | | | | | | |
| [LeeDaYeon](https://github.com/ErigoLee/) | | book 8/20 | book 9/20 | | | | | | | | | | |