diff --git a/src/solidlsp/language_servers/dart_language_server.py b/src/solidlsp/language_servers/dart_language_server.py
index 5bc6d67..28696ad 100644
--- a/src/solidlsp/language_servers/dart_language_server.py
+++ b/src/solidlsp/language_servers/dart_language_server.py
@@ -78,8 +78,7 @@ class DartLanguageServer(SolidLanguageServer):
         dart_ls_dir = cls.ls_resources_dir()
         dart_executable_path = deps.binary_path(dart_ls_dir)
 
-        if not os.path.exists(dart_ls_dir):
-            os.makedirs(dart_ls_dir)
+        if not os.path.exists(dart_executable_path):
             deps.install(logger, dart_ls_dir)
 
         assert os.path.exists(dart_executable_path)
diff --git a/src/solidlsp/language_servers/rust_analyzer.py b/src/solidlsp/language_servers/rust_analyzer.py
index bf79fa3..0f2f2cf 100644
--- a/src/solidlsp/language_servers/rust_analyzer.py
+++ b/src/solidlsp/language_servers/rust_analyzer.py
@@ -68,6 +68,14 @@ class RustAnalyzer(SolidLanguageServer):
                     archive_type="gz",
                     binary_name="rust_analyzer",
                 ),
+                RuntimeDependency(
+                    id="RustAnalyzer",
+                    description="RustAnalyzer for Linux (arm64)",
+                    url="https://github.com/rust-lang/rust-analyzer/releases/download/2023-10-09/rust-analyzer-aarch64-unknown-linux-gnu.gz",
+                    platform_id="linux-arm64",
+                    archive_type="gz",
+                    binary_name="rust_analyzer",
+                ),
                 RuntimeDependency(
                     id="RustAnalyzer",
                     description="RustAnalyzer for Windows (x64)",