diff --git a/aedi/target/library_tier1.py b/aedi/target/library_tier1.py
index b7f15cd2..7b95a7d2 100644
--- a/aedi/target/library_tier1.py
+++ b/aedi/target/library_tier1.py
@@ -312,8 +312,8 @@ class MoltenVKTarget(base.MakeTarget):
 
     def prepare_source(self, state: BuildState):
         state.download_source(
-            'https://github.com/KhronosGroup/MoltenVK/archive/refs/tags/v1.2.2.tar.gz',
-            '8065a10c2d70b561f48475dedb118e643176527b162d6e439fa127270c2a07dd',
+            'https://github.com/KhronosGroup/MoltenVK/archive/refs/tags/v1.2.3.tar.gz',
+            'bb2c2e486284e0247a85e5f585425bfcb364bb13aa167047a16a1330b9a76e58',
             patches='moltenvk-deployment-target')
 
     def initialize(self, state: BuildState):