diff --git a/components/style/gecko/generated/bindings.rs b/components/style/gecko/generated/bindings.rs
index a300dd8d3d42..a42bd753faa2 100644
--- a/components/style/gecko/generated/bindings.rs
+++ b/components/style/gecko/generated/bindings.rs
@@ -619,27 +619,28 @@ extern "C" {
 extern "C" {
     pub fn Gecko_AttrDashEquals(element: RawGeckoElementBorrowed,
                                 ns: *mut nsIAtom, name: *mut nsIAtom,
-                                str: *mut nsIAtom) -> bool;
+                                str: *mut nsIAtom, ignore_case: bool) -> bool;
 }
 extern "C" {
     pub fn Gecko_AttrIncludes(element: RawGeckoElementBorrowed,
                               ns: *mut nsIAtom, name: *mut nsIAtom,
-                              str: *mut nsIAtom) -> bool;
+                              str: *mut nsIAtom, ignore_case: bool) -> bool;
 }
 extern "C" {
     pub fn Gecko_AttrHasSubstring(element: RawGeckoElementBorrowed,
                                   ns: *mut nsIAtom, name: *mut nsIAtom,
-                                  str: *mut nsIAtom) -> bool;
+                                  str: *mut nsIAtom, ignore_case: bool)
+     -> bool;
 }
 extern "C" {
     pub fn Gecko_AttrHasPrefix(element: RawGeckoElementBorrowed,
                                ns: *mut nsIAtom, name: *mut nsIAtom,
-                               str: *mut nsIAtom) -> bool;
+                               str: *mut nsIAtom, ignore_case: bool) -> bool;
 }
 extern "C" {
     pub fn Gecko_AttrHasSuffix(element: RawGeckoElementBorrowed,
                                ns: *mut nsIAtom, name: *mut nsIAtom,
-                               str: *mut nsIAtom) -> bool;
+                               str: *mut nsIAtom, ignore_case: bool) -> bool;
 }
 extern "C" {
     pub fn Gecko_ClassOrClassList(element: RawGeckoElementBorrowed,
@@ -669,29 +670,34 @@ extern "C" {
 extern "C" {
     pub fn Gecko_SnapshotAttrDashEquals(element: *const ServoElementSnapshot,
                                         ns: *mut nsIAtom, name: *mut nsIAtom,
-                                        str: *mut nsIAtom) -> bool;
+                                        str: *mut nsIAtom, ignore_case: bool)
+     -> bool;
 }
 extern "C" {
     pub fn Gecko_SnapshotAttrIncludes(element: *const ServoElementSnapshot,
                                       ns: *mut nsIAtom, name: *mut nsIAtom,
-                                      str: *mut nsIAtom) -> bool;
+                                      str: *mut nsIAtom, ignore_case: bool)
+     -> bool;
 }
 extern "C" {
     pub fn Gecko_SnapshotAttrHasSubstring(element:
                                               *const ServoElementSnapshot,
                                           ns: *mut nsIAtom,
                                           name: *mut nsIAtom,
-                                          str: *mut nsIAtom) -> bool;
+                                          str: *mut nsIAtom,
+                                          ignore_case: bool) -> bool;
 }
 extern "C" {
     pub fn Gecko_SnapshotAttrHasPrefix(element: *const ServoElementSnapshot,
                                        ns: *mut nsIAtom, name: *mut nsIAtom,
-                                       str: *mut nsIAtom) -> bool;
+                                       str: *mut nsIAtom, ignore_case: bool)
+     -> bool;
 }
 extern "C" {
     pub fn Gecko_SnapshotAttrHasSuffix(element: *const ServoElementSnapshot,
                                        ns: *mut nsIAtom, name: *mut nsIAtom,
-                                       str: *mut nsIAtom) -> bool;
+                                       str: *mut nsIAtom, ignore_case: bool)
+     -> bool;
 }
 extern "C" {
     pub fn Gecko_SnapshotClassOrClassList(element:
diff --git a/components/style/gecko/snapshot.rs b/components/style/gecko/snapshot.rs
index d238151fd9af..b2f7907a64a0 100644
--- a/components/style/gecko/snapshot.rs
+++ b/components/style/gecko/snapshot.rs
@@ -94,30 +94,35 @@ impl GeckoElementSnapshot {
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                         AttrSelectorOperator::DashMatch => bindings::Gecko_SnapshotAttrDashEquals(
                             self,
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                         AttrSelectorOperator::Prefix => bindings::Gecko_SnapshotAttrHasPrefix(
                             self,
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                         AttrSelectorOperator::Suffix => bindings::Gecko_SnapshotAttrHasSuffix(
                             self,
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                         AttrSelectorOperator::Substring => bindings::Gecko_SnapshotAttrHasSubstring(
                             self,
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                     }
                 }
diff --git a/components/style/gecko/wrapper.rs b/components/style/gecko/wrapper.rs
index 750cb8b5a538..31a82df797a7 100644
--- a/components/style/gecko/wrapper.rs
+++ b/components/style/gecko/wrapper.rs
@@ -1352,30 +1352,35 @@ impl<'le> ::selectors::Element for GeckoElement<'le> {
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                         AttrSelectorOperator::DashMatch => bindings::Gecko_AttrDashEquals(
                             self.0,
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                         AttrSelectorOperator::Prefix => bindings::Gecko_AttrHasPrefix(
                             self.0,
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                         AttrSelectorOperator::Suffix => bindings::Gecko_AttrHasSuffix(
                             self.0,
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                         AttrSelectorOperator::Substring => bindings::Gecko_AttrHasSubstring(
                             self.0,
                             ns.atom_or_null(),
                             local_name.as_ptr(),
                             expected_value.as_ptr(),
+                            ignore_case,
                         ),
                     }
                 }