diff --git a/.gitignore b/.gitignore
index 1b587c0..6a2c034 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@ ash_phoenix-*.tar
 /tmp
 
 .vscode
+.DS_Store
diff --git a/lib/ash_phoenix/types/decimal.ex b/lib/ash_phoenix/types/decimal.ex
new file mode 100644
index 0000000..3e11458
--- /dev/null
+++ b/lib/ash_phoenix/types/decimal.ex
@@ -0,0 +1,7 @@
+defimpl Phoenix.HTML.Safe, for: Decimal do
+  defdelegate to_iodata(data), to: Decimal, as: :to_string
+end
+
+defimpl Phoenix.Param, for: Decimal do
+  defdelegate to_param(data), to: Decimal, as: :to_string
+end