diff --git a/components/style/gecko/generated/bindings.rs b/components/style/gecko/generated/bindings.rs
index ab9e1f064e1..b1812da9a64 100644
--- a/components/style/gecko/generated/bindings.rs
+++ b/components/style/gecko/generated/bindings.rs
@@ -2684,6 +2684,13 @@ extern "C" {
                                                  ServoComputedValuesBorrowed)
      -> u64;
 }
+extern "C" {
+    pub fn Servo_ComputedValues_EqualCustomProperties(first:
+                                                          ServoComputedValuesBorrowed,
+                                                      second:
+                                                          ServoComputedValuesBorrowed)
+     -> bool;
+}
 extern "C" {
     pub fn Servo_ComputedValues_GetStyleRuleList(values:
                                                      ServoComputedValuesBorrowed,