diff --git a/VERSION b/VERSION
index 53bb0f3f..ab06b5f2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.18.0-alpha1
+0.18.0-alpha2
diff --git a/release-notes.md b/release-notes.md
index 580f55a3..243bdc7f 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,10 +1,10 @@
 # Notes / Changes in various releases
 
-## Zephyr SDK 0.18.0
+## Zephyr SDK 0.18.0-alpha2
 
 - general:
 
-  * Added Clang/LLVM 19.1.1 toolchain.
+  * Added Clang/LLVM 19.1.1 toolchain with Arm and RISC-V architecture support.
   * Introduced Clang/LLVM toolchain distribution bundle
     (`zephyr-sdk-VER_HOST_llvm`).
   * Renamed existing "full" GNU toolchain distribution bundle to