diff --git a/CHANGELOG/CHANGELOG-3.4.md b/CHANGELOG/CHANGELOG-3.4.md
index 283bc37e2..cf7d7aa49 100644
--- a/CHANGELOG/CHANGELOG-3.4.md
+++ b/CHANGELOG/CHANGELOG-3.4.md
@@ -4,7 +4,7 @@ Previous change logs can be found at [CHANGELOG-3.3](https://github.com/etcd-io/
 
 <hr>
 
-## v3.4.26 (tbd)
+## v3.4.26 (2023-05-12)
 
 ### etcd server
 - Fix [LeaseTimeToLive API may return keys to clients which have no read permission on the keys](https://github.com/etcd-io/etcd/pull/15814).
@@ -13,6 +13,7 @@ Previous change logs can be found at [CHANGELOG-3.3](https://github.com/etcd-io/
 ### Dependencies
 - Compile binaries using [go 1.19.9](https://github.com/etcd-io/etcd/pull/15823)
 
+<hr>
 
 ## v3.4.25 (2023-04-14)
 
diff --git a/CHANGELOG/CHANGELOG-3.5.md b/CHANGELOG/CHANGELOG-3.5.md
index 1b9d3d410..cd6e83a18 100644
--- a/CHANGELOG/CHANGELOG-3.5.md
+++ b/CHANGELOG/CHANGELOG-3.5.md
@@ -4,7 +4,7 @@ Previous change logs can be found at [CHANGELOG-3.4](https://github.com/etcd-io/
 
 <hr>
 
-## v3.5.9 (tbd)
+## v3.5.9 (2023-05-11)
 
 ### etcd server
 - Fix [LeaseTimeToLive API may return keys to clients which have no read permission on the keys](https://github.com/etcd-io/etcd/pull/15815).
@@ -12,6 +12,7 @@ Previous change logs can be found at [CHANGELOG-3.4](https://github.com/etcd-io/
 ### Dependencies
 - Compile binaries using [go 1.19.9](https://github.com/etcd-io/etcd/pull/15822).
 
+<hr>
 
 ## v3.5.8 (2023-04-13)