diff --git a/components/style/build_gecko.rs b/components/style/build_gecko.rs
index de60fe615be..ee7825fe054 100644
--- a/components/style/build_gecko.rs
+++ b/components/style/build_gecko.rs
@@ -285,6 +285,7 @@ mod bindings {
             "mozilla::PropertyStyleAnimationValuePair",
             "mozilla::TraversalRootBehavior",
             "mozilla::StyleShapeRadius",
+            "mozilla::StyleGrid.*",
             ".*ThreadSafe.*Holder",
             "AnonymousContent",
             "AudioContext",
diff --git a/components/style/gecko_bindings/structs_debug.rs b/components/style/gecko_bindings/structs_debug.rs
index 302aa8bb0a1..746cbacee9e 100644
--- a/components/style/gecko_bindings/structs_debug.rs
+++ b/components/style/gecko_bindings/structs_debug.rs
@@ -537,12 +537,6 @@ pub mod root {
     pub const NS_STYLE_GRID_AUTO_FLOW_COLUMN: ::std::os::raw::c_uint = 2;
     pub const NS_STYLE_GRID_AUTO_FLOW_DENSE: ::std::os::raw::c_uint = 4;
     pub const NS_STYLE_GRID_TEMPLATE_SUBGRID: ::std::os::raw::c_uint = 0;
-    pub const NS_STYLE_GRID_TRACK_BREADTH_MAX_CONTENT: ::std::os::raw::c_uint
-              =
-        1;
-    pub const NS_STYLE_GRID_TRACK_BREADTH_MIN_CONTENT: ::std::os::raw::c_uint
-              =
-        2;
     pub const NS_STYLE_GRID_REPEAT_AUTO_FILL: ::std::os::raw::c_uint = 0;
     pub const NS_STYLE_GRID_REPEAT_AUTO_FIT: ::std::os::raw::c_uint = 1;
     pub const NS_STYLE_WIDTH_MAX_CONTENT: ::std::os::raw::c_uint = 0;
@@ -5813,6 +5807,9 @@ pub mod root {
             MozGroupbox = 37,
             MozPopup = 38,
         }
+        #[repr(u8)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleGridTrackBreadth { MaxContent = 1, MinContent = 2, }
         #[repr(C)]
         #[derive(Debug, Copy, Clone)]
         pub struct WritingMode([u8; 0]);
diff --git a/components/style/gecko_bindings/structs_release.rs b/components/style/gecko_bindings/structs_release.rs
index b7f7be53fb8..ac21902cf62 100644
--- a/components/style/gecko_bindings/structs_release.rs
+++ b/components/style/gecko_bindings/structs_release.rs
@@ -537,12 +537,6 @@ pub mod root {
     pub const NS_STYLE_GRID_AUTO_FLOW_COLUMN: ::std::os::raw::c_uint = 2;
     pub const NS_STYLE_GRID_AUTO_FLOW_DENSE: ::std::os::raw::c_uint = 4;
     pub const NS_STYLE_GRID_TEMPLATE_SUBGRID: ::std::os::raw::c_uint = 0;
-    pub const NS_STYLE_GRID_TRACK_BREADTH_MAX_CONTENT: ::std::os::raw::c_uint
-              =
-        1;
-    pub const NS_STYLE_GRID_TRACK_BREADTH_MIN_CONTENT: ::std::os::raw::c_uint
-              =
-        2;
     pub const NS_STYLE_GRID_REPEAT_AUTO_FILL: ::std::os::raw::c_uint = 0;
     pub const NS_STYLE_GRID_REPEAT_AUTO_FIT: ::std::os::raw::c_uint = 1;
     pub const NS_STYLE_WIDTH_MAX_CONTENT: ::std::os::raw::c_uint = 0;
@@ -5653,6 +5647,9 @@ pub mod root {
             MozGroupbox = 37,
             MozPopup = 38,
         }
+        #[repr(u8)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleGridTrackBreadth { MaxContent = 1, MinContent = 2, }
         #[repr(C)]
         #[derive(Debug, Copy, Clone)]
         pub struct WritingMode([u8; 0]);