diff --git a/development-updates.md b/development-updates.md
index 8564e36c..3e19f197 100644
--- a/development-updates.md
+++ b/development-updates.md
@@ -93,7 +93,7 @@ With the gained insight into the protocol, the following weeks serve as a deep d
 | [ghili](https://github.com/ghiliweld)                        |                                                                 |                                                                 |        |                  |
 | [Glory Agatevure](https://github.com/gconnect)               | [Update 3](https://hackmd.io/@gconnect/rJijgCI8C)               | [Update 4](https://hackmd.io/@gconnect/r1TakB_wA)               |        |                  |
 | [Hamid Bateni](https://github.com/irnb)                      | [Update 3](https://hackmd.io/@irnb/epf_week3)                   |                                                                 |        |                  |
-| [Hangleang](https://github.com/hangleang)                    | [Update 3](https://hackmd.io/@hangleang/epf5-week3)             |                                                                 |        |                  |
+| [Hangleang](https://github.com/hangleang)                    | [Update 3](https://hackmd.io/@hangleang/epf5-week3)             | [Update 4](https://hackmd.io/@hangleang/epf5-week4)             |        |                  |
 | [Hopinheimer](https://github.com/hopinheimer)                | [Update 3](https://hackmd.io/@hopin232/HyIxzVgDA)               |                                                                 |        |                  |
 | [Ifeoluwa Oderinde](https://github.com/owanikin)             | [Update 3](https://hackmd.io/@ZpBFaS-NSO-5Xkdm4jwolg/HJAO40qUC) |                                                                 |        |                  |
 | [Jihoon Song](https://github.com/jihoonsong)                 | [Update 3](https://hackmd.io/@jihoonsong/SkUIKCLLR)             |                                                                 |        |                  |
@@ -136,4 +136,4 @@ The final weeks of the cohort should mark the finalization of your project. Subm
 
 | Name/GH | Final dev update | Project presentation |
 |---------|------------------|----------------------|
-|         |                  |                      |
+|         |                  |                      |
\ No newline at end of file