diff --git a/bootstrap.d/managarm-system.y4.yml b/bootstrap.d/managarm-system.y4.yml
index a0df16cc2..8d8228d39 100644
--- a/bootstrap.d/managarm-system.y4.yml
+++ b/bootstrap.d/managarm-system.y4.yml
@@ -13,7 +13,7 @@ sources:
     subdir: 'ports'
     git: 'https://github.com/UltraOS/uACPI.git'
     branch: 'master'
-    commit: 99372abc3dca8e1c00dc3277a030463b0a9d2670
+    commit: 1d636a34152dc82833c89175b702f2c0671f04e3
     version: '0.0pl@ROLLING_ID@'
 
   - name: freebsd-e1000