diff --git a/gleam.toml b/gleam.toml
index 467675d..2052573 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -11,7 +11,7 @@ description = "A package for keeping your encoders and decoders in sync."
 
 [dependencies]
 gleam_stdlib = "~> 0.31"
-gleam_json = "~> 0.5"
+gleam_json = "~> 1.0"
 
 [dev-dependencies]
 gleeunit = "~> 1.0"