diff --git a/components/style/build_gecko.rs b/components/style/build_gecko.rs
index 8d530f7e34f..7b13ff0e1fd 100644
--- a/components/style/build_gecko.rs
+++ b/components/style/build_gecko.rs
@@ -531,6 +531,7 @@ mod bindings {
             "RawGeckoDocument",
             "RawGeckoElement",
             "RawGeckoKeyframeList",
+            "RawGeckoComputedKeyframeValuesList",
             "RawGeckoNode",
             "RawGeckoAnimationValueList",
             "RawServoAnimationValue",
@@ -638,6 +639,7 @@ mod bindings {
             "nsCSSValue",
             "RawGeckoAnimationValueList",
             "RawGeckoKeyframeList",
+            "RawGeckoComputedKeyframeValuesList",
         ];
         for &ty in structs_types.iter() {
             builder = builder.hide_type(ty)
diff --git a/components/style/gecko_bindings/bindings.rs b/components/style/gecko_bindings/bindings.rs
index 3fdf2b27d2c..4ed708759a4 100644
--- a/components/style/gecko_bindings/bindings.rs
+++ b/components/style/gecko_bindings/bindings.rs
@@ -7,6 +7,7 @@ use gecko_bindings::structs::mozilla::css::URLValue;
 use gecko_bindings::structs::RawGeckoDocument;
 use gecko_bindings::structs::RawGeckoElement;
 use gecko_bindings::structs::RawGeckoKeyframeList;
+use gecko_bindings::structs::RawGeckoComputedKeyframeValuesList;
 use gecko_bindings::structs::RawGeckoNode;
 use gecko_bindings::structs::RawGeckoAnimationValueList;
 use gecko_bindings::structs::RawServoAnimationValue;
@@ -242,6 +243,10 @@ pub type RawGeckoKeyframeListBorrowed<'a> = &'a RawGeckoKeyframeList;
 pub type RawGeckoKeyframeListBorrowedOrNull<'a> = Option<&'a RawGeckoKeyframeList>;
 pub type RawGeckoKeyframeListBorrowedMut<'a> = &'a mut RawGeckoKeyframeList;
 pub type RawGeckoKeyframeListBorrowedMutOrNull<'a> = Option<&'a mut RawGeckoKeyframeList>;
+pub type RawGeckoComputedKeyframeValuesListBorrowed<'a> = &'a RawGeckoComputedKeyframeValuesList;
+pub type RawGeckoComputedKeyframeValuesListBorrowedOrNull<'a> = Option<&'a RawGeckoComputedKeyframeValuesList>;
+pub type RawGeckoComputedKeyframeValuesListBorrowedMut<'a> = &'a mut RawGeckoComputedKeyframeValuesList;
+pub type RawGeckoComputedKeyframeValuesListBorrowedMutOrNull<'a> = Option<&'a mut RawGeckoComputedKeyframeValuesList>;
 
 extern "C" {
     pub fn Gecko_EnsureTArrayCapacity(aArray: *mut ::std::os::raw::c_void,
@@ -1335,6 +1340,17 @@ extern "C" {
                                principal: *mut ThreadSafePrincipalHolder)
      -> RawServoDeclarationBlockStrong;
 }
+extern "C" {
+    pub fn Servo_GetComputedKeyframeValues(keyframes:
+                                               RawGeckoKeyframeListBorrowed,
+                                           style: ServoComputedValuesBorrowed,
+                                           parent_style:
+                                               ServoComputedValuesBorrowedOrNull,
+                                           pres_context:
+                                               RawGeckoPresContextBorrowed,
+                                           result:
+                                               RawGeckoComputedKeyframeValuesListBorrowedMut);
+}
 extern "C" {
     pub fn Servo_AnimationValues_Populate(arg1:
                                               RawGeckoAnimationValueListBorrowedMut,
diff --git a/components/style/gecko_bindings/structs_debug.rs b/components/style/gecko_bindings/structs_debug.rs
index e585bedfc61..de581823965 100644
--- a/components/style/gecko_bindings/structs_debug.rs
+++ b/components/style/gecko_bindings/structs_debug.rs
@@ -25443,6 +25443,8 @@ pub mod root {
     pub type RawGeckoDocument = root::nsIDocument;
     pub type RawGeckoPresContext = root::nsPresContext;
     pub type RawGeckoKeyframeList = root::nsTArray<root::mozilla::Keyframe>;
+    pub type RawGeckoComputedKeyframeValuesList =
+        root::nsTArray<root::nsTArray<root::mozilla::PropertyStyleAnimationValuePair>>;
     pub type RawGeckoAnimationValueList =
         root::nsTArray<root::mozilla::PropertyStyleAnimationValuePair>;
     pub type RawServoAnimationValueBorrowedList =
@@ -25462,6 +25464,9 @@ pub mod root {
         *const root::RawServoAnimationValueBorrowedList;
     pub type RawGeckoKeyframeListBorrowedMut =
         *mut root::RawGeckoKeyframeList;
+    pub type RawGeckoKeyframeListBorrowed = *const root::RawGeckoKeyframeList;
+    pub type RawGeckoComputedKeyframeValuesListBorrowedMut =
+        *mut root::RawGeckoComputedKeyframeValuesList;
     #[repr(C)]
     #[derive(Debug, Copy, Clone)]
     pub struct ElementRuleProcessorData([u8; 0]);
diff --git a/components/style/gecko_bindings/structs_release.rs b/components/style/gecko_bindings/structs_release.rs
index 3c48a3191ae..76debc8e158 100644
--- a/components/style/gecko_bindings/structs_release.rs
+++ b/components/style/gecko_bindings/structs_release.rs
@@ -24800,6 +24800,8 @@ pub mod root {
     pub type RawGeckoDocument = root::nsIDocument;
     pub type RawGeckoPresContext = root::nsPresContext;
     pub type RawGeckoKeyframeList = root::nsTArray<root::mozilla::Keyframe>;
+    pub type RawGeckoComputedKeyframeValuesList =
+        root::nsTArray<root::nsTArray<root::mozilla::PropertyStyleAnimationValuePair>>;
     pub type RawGeckoAnimationValueList =
         root::nsTArray<root::mozilla::PropertyStyleAnimationValuePair>;
     pub type RawServoAnimationValueBorrowedList =
@@ -24819,6 +24821,9 @@ pub mod root {
         *const root::RawServoAnimationValueBorrowedList;
     pub type RawGeckoKeyframeListBorrowedMut =
         *mut root::RawGeckoKeyframeList;
+    pub type RawGeckoKeyframeListBorrowed = *const root::RawGeckoKeyframeList;
+    pub type RawGeckoComputedKeyframeValuesListBorrowedMut =
+        *mut root::RawGeckoComputedKeyframeValuesList;
     #[repr(C)]
     #[derive(Debug, Copy, Clone)]
     pub struct ElementRuleProcessorData([u8; 0]);