2 files changed, 26 insertions, 12 deletions

diff --git a/Cargo.lock b/Cargo.lock
index e29ff898d..847653696 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -110,9 +110,9 @@ dependencies = [
 
 [[package]]
 name = "byteorder"
-version = "1.3.2"
+version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
+checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "c2-chacha"
@@ -1563,12 +1563,9 @@ checksum = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 
 [[package]]
 name = "rustc-hash"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7540fc8b0c49f096ee9c961cda096467dce8084bec6bdca2fc83895fd9b28cb8"
-dependencies = [
- "byteorder",
-]
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
 name = "rustc_lexer"
@@ -1675,9 +1672,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.46"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21b01d7f0288608a01dca632cf1df859df6fd6ffa885300fc275ce2ba6221953"
+checksum = "15913895b61e0be854afd32fd4163fcd2a3df34142cf2cb961b310ce694cbf90"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/editors/code/src/config.ts b/editors/code/src/config.ts
index d5f3da2ed..418845436 100644
--- a/editors/code/src/config.ts
+++ b/editors/code/src/config.ts
@@ -64,9 +64,24 @@ export class Config {
      * `platform` on GitHub releases. (It is also stored under the same name when
      * downloaded by the extension).
      */
-    private static prebuiltLangServerFileName(platform: NodeJS.Platform): null | string {
+    private static prebuiltLangServerFileName(
+        platform: NodeJS.Platform,
+        arch: string
+    ): null | string {
+        // See possible `arch` values here:
+        // https://nodejs.org/api/process.html#process_process_arch
+
         switch (platform) {
-            case "linux":  return "ra_lsp_server-linux";
+
+            case "linux": {
+                switch (arch) {
+                    case "arm":
+                    case "arm64": return null;
+
+                    default: return "ra_lsp_server-linux";
+                }
+            }
+
             case "darwin": return "ra_lsp_server-mac";
             case "win32":  return "ra_lsp_server-windows.exe";
 
@@ -95,7 +110,9 @@ export class Config {
             };
         }
 
-        const prebuiltBinaryName = Config.prebuiltLangServerFileName(process.platform);
+        const prebuiltBinaryName = Config.prebuiltLangServerFileName(
+            process.platform, process.arch
+        );
 
         if (!prebuiltBinaryName) return null;