diff --git a/gleam/gleam.toml b/gleam/gleam.toml
index 8b913546..f1480b4f 100644
--- a/gleam/gleam.toml
+++ b/gleam/gleam.toml
@@ -13,4 +13,4 @@ description = "A Gleam project"
 gleam_stdlib = "== 0.39.0"
 
 [dev-dependencies]
-gleeunit = "== 1.0.0"
+gleeunit = "== 1.3.0"