diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16b8cf8ffa..72947daca2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 3.1.2
 
+* `Versions`:
+    * `Serialization`: `1.4.0-RC` -> `1.4.0`
+    * `MicroUtils`: `0.12.1` -> `0.12.3`
+
 ## 3.1.1
 
 * `Common`:
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0eb6cd212b..5cc6437a50 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 
 kotlin = "1.7.10"
-kotlin-serialization = "1.4.0-RC"
+kotlin-serialization = "1.4.0"
 kotlin-coroutines = "1.6.4"
 
 javax-activation = "1.1.1"
@@ -13,7 +13,7 @@ ktor = "2.1.0"
 ksp = "1.7.10-1.0.6"
 kotlin-poet = "1.12.0"
 
-microutils = "0.12.1"
+microutils = "0.12.3"
 
 github-release-plugin = "2.4.1"