diff --git a/default.xml b/default.xml
index 30a4c671..b4ee7524 100644
--- a/default.xml
+++ b/default.xml
@@ -471,7 +471,7 @@
   <project path="prebuilts/tools" name="platform/prebuilts/tools" groups="pdk,tools" clone-depth="1" remote="aosp" />
   <project path="sdk" name="platform/sdk" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="system/bt" name="LineageOS/android_system_bt" groups="pdk" />
-  <project path="system/ca-certificates" name="platform/system/ca-certificates" groups="pdk" remote="aosp" />
+  <project path="system/ca-certificates" name="platform/system/ca-certificates" groups="pdk" remote="aosp" revision="refs/tags/android-8.1.0_r36" />
   <project path="system/connectivity/apmanager" name="platform/system/connectivity/apmanager" remote="aosp" />
   <project path="system/connectivity/dhcp_client" name="platform/system/connectivity/dhcp_client" remote="aosp" />
   <project path="system/connectivity/shill" name="platform/system/connectivity/shill" remote="aosp" />