diff --git a/lineage_emerald.mk b/lineage_emerald.mk
index 0c37da4f89275915e6778c644762b744f1628f70..8c7df6bae6f44a80f44e6d09b6e35ba34bbb92f2 100644
--- a/lineage_emerald.mk
+++ b/lineage_emerald.mk
@@ -40,3 +40,10 @@ PRODUCT_BUILD_PROP_OVERRIDES += PRIVATE_BUILD_DESC="full_yk673v6_lwg62_64-user 1
 
 # Set BUILD_FINGERPRINT variable to be picked up by both system and vendor build.prop
 BUILD_FINGERPRINT := Teracube/emerald/emerald:11/RP1A.200720.011/202111011925:user/release-keys
+
+# The below PLATFORM_SECURITY_PATCH_OVERRIDE variable has to be synced
+# with the microG device fingerprint for SafetyNet purposes and should
+# not be modified.
+# The value of this variable must be equal or older than the current
+# system one in android_build.
+PLATFORM_SECURITY_PATCH_OVERRIDE := 2021-10-05