diff --git a/default.xml b/default.xml
index cac54c36..0bada8c9 100644
--- a/default.xml
+++ b/default.xml
@@ -13,5 +13,5 @@
   <project name="isabelle" revision="refs/tags/Isabelle2024" dest-branch="ts-2024"/>
   <project name="l4v" revision="f00bbb735f3aa0355538418ced44c89e0e65774b" dest-branch="master"/>
   <project name="polyml" path="HOL4/polyml" revision="bf2020d077bfbb1c5911dcef20bd275c95da7162" dest-branch="successful-decompile"/>
-  <project name="seL4" revision="3c2c5ba18a87371bb289d1cc0ff561ae61d008db"/>
+  <project name="seL4" revision="12531159997ed027358d7e06f57458b93768e49e"/>
 </manifest>
\ No newline at end of file