diff --git a/json_serialization.nimble b/json_serialization.nimble
index aebac3e..cf5d7c7 100644
--- a/json_serialization.nimble
+++ b/json_serialization.nimble
@@ -9,7 +9,7 @@ skipDirs      = @["tests"]
 
 requires "nim >= 0.17.0",
          "serialization",
-         "std_shims"
+         "stew"
 
 task test, "Run tests":
   for filename in [
diff --git a/json_serialization/lexer.nim b/json_serialization/lexer.nim
index 5355bb2..25f90ee 100644
--- a/json_serialization/lexer.nim
+++ b/json_serialization/lexer.nim
@@ -1,6 +1,6 @@
 import
   strutils, unicode,
-  faststreams/input_stream, std_shims/objects,
+  faststreams/input_stream, stew/objects,
   types
 
 export