diff --git a/default.xml b/default.xml
index 57f7ee9..aa9eb05 100644
--- a/default.xml
+++ b/default.xml
@@ -11,7 +11,7 @@
   <remote  name="aosp"
            fetch="https://android.googlesource.com"
            review="android-review.googlesource.com"
-           revision="refs/tags/android-10.0.0_r27" />
+           revision="refs/tags/android-10.0.0_r31" />
 
   <default revision="refs/heads/lineage-17.1"
            remote="github"
@@ -665,6 +665,7 @@
   <project path="toolchain/pgo-profiles" name="toolchain/pgo-profiles" groups="pdk" remote="aosp" />
   <project path="tools/acloud" name="platform/tools/acloud" groups="tools,vts,projectarch,pdk,tradefed" remote="aosp" />
   <project path="tools/adt/idea" name="platform/tools/adt/idea" groups="notdefault,tools" remote="aosp" />
+  <project path="tools/apifinder" name="platform/tools/apifinder" groups="pdk,tools" remote="aosp" />
   <project path="tools/apksig" name="platform/tools/apksig" groups="pdk,tradefed" remote="aosp" />
   <project path="tools/apkzlib" name="platform/tools/apkzlib" groups="pdk,tradefed" remote="aosp" />
   <project path="tools/asuite" name="platform/tools/asuite" groups="pdk" remote="aosp" />