diff --git a/default.xml b/default.xml
index 2ade3c5..cde0bc3 100644
--- a/default.xml
+++ b/default.xml
@@ -11,14 +11,14 @@
   <remote  name="aosp"
            fetch="https://android.googlesource.com"
            review="android-review.googlesource.com"
-           revision="refs/tags/android-12.0.0_r26" />
+           revision="refs/tags/android-12.0.0_r27" />
 
   <default revision="refs/heads/lineage-19.0"
            remote="github"
            sync-c="true"
            sync-j="4" />
 
-  <superproject name="platform/superproject" remote="aosp" revision="android-12.0.0_r26" />
+  <superproject name="platform/superproject" remote="aosp" revision="android-12.0.0_r27" />
   <contactinfo bugurl="go/repo-bug" />
 
   <!-- AOSP Projects -->
@@ -96,8 +96,8 @@
   <project path="external/arm-trusted-firmware" name="platform/external/arm-trusted-firmware" groups="pdk" remote="aosp" />
   <project path="external/auto" name="platform/external/auto" groups="pdk" remote="aosp" />
   <project path="external/autotest" name="platform/external/autotest" groups="pdk-fs" remote="aosp" />
-  <project path="external/android-nn-driver" name="platform/external/android-nn-driver" groups="pdk-lassen" remote="aosp" revision="refs/tags/android-12.0.0_r18" />
-  <project path="external/armnn" name="platform/external/armnn" groups="pdk-lassen" remote="aosp" revision="refs/tags/android-12.0.0_r18" />
+  <project path="external/android-nn-driver" name="platform/external/android-nn-driver" groups="pdk-lassen" remote="aosp" />
+  <project path="external/armnn" name="platform/external/armnn" groups="pdk-lassen" remote="aosp" />
   <project path="external/avb" name="platform/external/avb" groups="pdk" remote="aosp" />
   <project path="external/bazelbuild-rules_android" name="platform/external/bazelbuild-rules_android" groups="pdk" remote="aosp" />
   <project path="external/bc" name="platform/external/bc" groups="pdk" remote="aosp" />
@@ -119,7 +119,7 @@
   <project path="external/cldr" name="platform/external/cldr" groups="pdk" remote="aosp" />
   <project path="external/cn-cbor" name="platform/external/cn-cbor" groups="pdk" remote="aosp" />
   <project path="external/compiler-rt" name="platform/external/compiler-rt" groups="pdk" remote="aosp" />
-  <project path="external/ComputeLibrary" name="platform/external/ComputeLibrary" groups="pdk-lassen" remote="aosp" revision="refs/tags/android-12.0.0_r18" />
+  <project path="external/ComputeLibrary" name="platform/external/ComputeLibrary" groups="pdk-lassen" remote="aosp" />
   <project path="external/connectedappssdk" name="platform/external/connectedappssdk" groups="pdk" remote="aosp" />
   <project path="external/conscrypt" name="platform/external/conscrypt" groups="pdk" remote="aosp" />
   <project path="external/cpu_features" name="platform/external/cpu_features" groups="pdk" remote="aosp" />
@@ -685,9 +685,9 @@
   <project path="hardware/google/av" name="platform/hardware/google/av" groups="pdk" remote="aosp" />
   <project path="hardware/google/camera" name="platform/hardware/google/camera" groups="pdk" remote="aosp" />
   <project path="hardware/google/easel" name="platform/hardware/google/easel" groups="pdk,easel" remote="aosp" />
-  <project path="hardware/google/gchips" name="platform/hardware/google/gchips" groups="pdk-lassen" remote="aosp" revision="refs/tags/android-12.0.0_r18" />
-  <project path="hardware/google/graphics/common" name="platform/hardware/google/graphics/common" groups="pdk-lassen" remote="aosp" revision="refs/tags/android-12.0.0_r18" />
-  <project path="hardware/google/graphics/gs101" name="platform/hardware/google/graphics/gs101" groups="pdk-lassen" remote="aosp" revision="refs/tags/android-12.0.0_r18" />
+  <project path="hardware/google/gchips" name="platform/hardware/google/gchips" groups="pdk-lassen" remote="aosp" />
+  <project path="hardware/google/graphics/common" name="platform/hardware/google/graphics/common" groups="pdk-lassen" remote="aosp" />
+  <project path="hardware/google/graphics/gs101" name="platform/hardware/google/graphics/gs101" groups="pdk-lassen" remote="aosp" />
   <project path="hardware/google/interfaces" name="platform/hardware/google/interfaces" groups="pdk" remote="aosp" />
   <project path="hardware/google/pixel" name="LineageOS/android_hardware_google_pixel" groups="generic_fs,pixel" />
   <project path="hardware/google/pixel-sepolicy" name="LineageOS/android_hardware_google_pixel-sepolicy" groups="generic_fs,pixel" />