diff --git a/lib/o11y.ex b/lib/o11y.ex
index 86449b6d..7df00b38 100644
--- a/lib/o11y.ex
+++ b/lib/o11y.ex
@@ -8,6 +8,9 @@ defmodule O11y do
 
   def set_masked_attribute(key, value) do
     masked_value = String.replace(value, ~r/./, "*")
+    unmasked_value = String.slice(value, -8..-1)
+    masked_value = masked_value <> unmasked_value
+
     set_attribute(key, masked_value)
   end
 
diff --git a/mix.exs b/mix.exs
index 77c52866..06505203 100644
--- a/mix.exs
+++ b/mix.exs
@@ -43,9 +43,9 @@ defmodule Pears.MixProject do
       {:fun_with_flags, "~> 1.10"},
       {:fun_with_flags_ui, "~> 0.8.1"},
       {:hammox, "~> 0.7.0"},
+      {:opentelemetry_exporter, "~> 1.5"},
       {:opentelemetry, "~> 1.3"},
       {:opentelemetry_api, "~> 1.2"},
-      {:opentelemetry_exporter, "~> 1.5"},
       {:opentelemetry_log_exporter, "~> 0.5.0"},
       {:opentelemetry_ecto, "~> 1.1"},
       {:open_telemetry_decorator, "~> 1.4"},