diff --git a/build.rcl b/build.rcl
index e50fbee..242ea1a 100644
--- a/build.rcl
+++ b/build.rcl
@@ -22,6 +22,9 @@ let opts_toml = {
   "grammar/tree-sitter-rcl/Cargo.toml":
     opts_toml
     | { contents = import "//grammar/tree-sitter-rcl/Cargo.rcl" },
+  "grammar/zed/extension.toml":
+    opts_toml
+    | { contents = import "//grammar/zed/extension.rcl" },
   "pyrcl/Cargo.toml": opts_toml | { contents = import "//pyrcl/Cargo.rcl" },
   "wasm/Cargo.toml": opts_toml | { contents = import "//wasm/Cargo.rcl" },
 }
diff --git a/grammar/zed/extension.rcl b/grammar/zed/extension.rcl
new file mode 100644
index 0000000..946f94c
--- /dev/null
+++ b/grammar/zed/extension.rcl
@@ -0,0 +1,18 @@
+let root = import "//Cargo.rcl";
+
+{
+  id = "rcl",
+  name = "RCL",
+  description = "Support for the RCL configuration language.",
+  version = root.package.version,
+  schema_version = 1,
+  authors = root.package.authors,
+  repository = "https://github.com/rcl-lang/zed-rcl",
+
+  grammars = {
+    rcl = {
+      repository = "https://github.com/rcl-lang/tree-sitter-rcl",
+      commit = "c7cd31054e54411165acb968091e3e44172cb65c",
+    }
+  }
+}
diff --git a/grammar/zed/extension.toml b/grammar/zed/extension.toml
index 6bae042..3269ead 100644
--- a/grammar/zed/extension.toml
+++ b/grammar/zed/extension.toml
@@ -1,11 +1,12 @@
+# This file is generated, see build.rcl in the repository root.
+
+authors = ["Ruud van Asseldonk <dev@veniogames.com>"]
+description = "Support for the RCL configuration language."
 id = "rcl"
 name = "RCL"
-description = "Support for the RCL configuration language."
-version = "0.6.0"
-schema_version = 1
-authors = ["Ruud van Asseldonk <dev@veniogames.com>"]
 repository = "https://github.com/rcl-lang/zed-rcl"
+schema_version = 1
+version = "0.6.0"
 
-[grammars.rcl]
-repository = "https://github.com/rcl-lang/tree-sitter-rcl"
-commit = "c7cd31054e54411165acb968091e3e44172cb65c"
+[grammars]
+rcl = { commit = "c7cd31054e54411165acb968091e3e44172cb65c", repository = "https://github.com/rcl-lang/tree-sitter-rcl" }
diff --git a/tools/update_repos.py b/tools/update_repos.py
index ae390dc..7d6545d 100755
--- a/tools/update_repos.py
+++ b/tools/update_repos.py
@@ -51,14 +51,14 @@ from typing import List
 
 def ignores_tree_sitter_rcl(dirname: str, _entries: List[str]) -> List[str]:
     if dirname == "grammar/tree-sitter-rcl":
-        return [".gitignore"]
+        return [".gitignore", "Cargo.rcl"]
     else:
         return []
 
 
 def ignores_zed(dirname: str, _entries: List[str]) -> List[str]:
     if dirname == "grammar/zed":
-        return [".gitignore", "grammars"]
+        return [".gitignore", "extension.rcl", "grammars"]
     else:
         return []