diff --git a/examples/build.gradle.kts b/examples/build.gradle.kts
index 7d24c98c..5efa9b03 100644
--- a/examples/build.gradle.kts
+++ b/examples/build.gradle.kts
@@ -28,7 +28,7 @@ dependencies {
     implementation("com.github.luben:zstd-jni:1.5.5-4")
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-core:1.5.1")
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.0")
-    implementation("org.mongodb:bson-kotlinx:5.1.1")
+    implementation("org.mongodb:bson-kotlinx:5.1.2")
     implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.4.0")
 }
 
diff --git a/examples/gradle.properties b/examples/gradle.properties
index fab4a827..8df69957 100644
--- a/examples/gradle.properties
+++ b/examples/gradle.properties
@@ -1,2 +1,2 @@
 kotlin.code.style=official
-kotlin_mongodb_version=5.1.1
+kotlin_mongodb_version=5.1.2
diff --git a/snooty.toml b/snooty.toml
index 224d29f4..16fdb108 100644
--- a/snooty.toml
+++ b/snooty.toml
@@ -20,7 +20,7 @@ driver = "kotlin"
 driver-short = "Kotlin driver"
 driver-long = "MongoDB Kotlin Driver"
 version = "5.1"
-full-version = "{+version+}.1"
+full-version = "{+version+}.2"
 mdb-server = "MongoDB server"
 kotlin-docs = "https://kotlinlang.org"
 
diff --git a/source/whats-new.txt b/source/whats-new.txt
index 4c786a41..a50d28fa 100644
--- a/source/whats-new.txt
+++ b/source/whats-new.txt
@@ -12,12 +12,36 @@ What's New
 
 Learn what's new in:
 
+* :ref:`Version 5.1.2 <kotlin-coroutine-version-5.1.2>`
 * :ref:`Version 5.1.1 <kotlin-coroutine-version-5.1.1>`
 * :ref:`Version 5.1 <kotlin-coroutine-version-5.1>`
 * :ref:`Version 5.0 <version-5.0>`
 * :ref:`Version 4.11 <version-4.11>`
 * :ref:`Version 4.10 <version-4.10>`
 
+.. _kotlin-coroutine-version-5.1.2:
+
+What's New in 5.1.2
+-------------------
+
+The 5.1.2 driver patch release includes the following changes:
+
+- Support for encoding Kotlin data classes with nullable
+  generic parameter types. For example, you can encode the ``Container`` class
+  in the following code:
+  
+  .. code-block:: kotlin
+
+     @Serializable
+     data class Box<T>(
+         val boxed: T
+     )
+     
+     @Serializable
+     data class Container(
+         val box: Box<String?>
+     )
+
 .. _kotlin-coroutine-version-5.1.1:
 
 What's New in 5.1.1