diff --git a/tools/swift_stdlib_tool/swift_stdlib_tool.py b/tools/swift_stdlib_tool/swift_stdlib_tool.py
index fbb7f4fb..5a2277c5 100644
--- a/tools/swift_stdlib_tool/swift_stdlib_tool.py
+++ b/tools/swift_stdlib_tool/swift_stdlib_tool.py
@@ -134,6 +134,20 @@ def _copy_swift_stdlibs(binaries_to_scan, sdk_platform, destination_path):
     if os.path.exists(libswiftcore_path):
       os.remove(libswiftcore_path)
 
+  # MARK: Swiftgram
+  if sdk_platform == "iphoneos":
+    # Copy the concurrency runtime to the destination path.
+    _, stdout, stderr = execute.execute_and_filter_output(
+      [
+      "ditto",
+      f"{developer_dir}/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift-5.5/iphoneos/libswift_Concurrency.dylib",
+        os.path.join(destination_path, "libswift_Concurrency.dylib")
+      ], raise_on_failure=True)
+    if stderr:
+      print(stderr)
+    if stdout:
+      print(stdout)
+
 
 def _lipo_exec_files(exec_files, target_archs, strip_bitcode, source_path,
                      destination_path):