diff --git a/default.xml b/default.xml
index cd34a3ca..adf9f770 100644
--- a/default.xml
+++ b/default.xml
@@ -11,7 +11,7 @@
   <project name="HOL" path="HOL4" revision="ab03cec5200c8b23f9ba60c5cea958cfcd0cd158" dest-branch="successful-decompile"/>
   <project name="graph-refine" revision="8924af0c61c3c863db7957e0ebac7ae1ceefad9d" dest-branch="master"/>
   <project name="isabelle" revision="refs/tags/Isabelle2024" dest-branch="ts-2024"/>
-  <project name="l4v" revision="e34ca85dc8a3ab029396d30189ccc2e31eac5499" dest-branch="master"/>
+  <project name="l4v" revision="4f1563a8f343e6c7062c55c7d7f16922a2e811ba" dest-branch="master"/>
   <project name="polyml" path="HOL4/polyml" revision="bf2020d077bfbb1c5911dcef20bd275c95da7162" dest-branch="successful-decompile"/>
   <project name="seL4" revision="9080b6844b88c7fb25191802d91cf0a41174d652"/>
 </manifest>
\ No newline at end of file