diff --git a/gleam.toml b/gleam.toml
index 5f944ed..e83447f 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -1,5 +1,5 @@
 name = "pine"
-version = "0.0.2"
+version = "0.0.3"
 
 # Fill out these fields if you intend to generate HTML documentation or publish
 # your project to the Hex package manager.
diff --git a/src/pine.gleam b/src/pine.gleam
index 1c30c0a..5f30cf4 100644
--- a/src/pine.gleam
+++ b/src/pine.gleam
@@ -1,11 +1,11 @@
 import birl
 import gleam/list
 import gleam/order
-import pine/attribute
-import pine/format
-import pine/level
-import pine/log
-import pine/transport
+import pine/internal/attribute
+import pine/internal/format
+import pine/internal/level
+import pine/internal/log
+import pine/internal/transport
 
 /// The logger type. This is opaque by default to prevent developers from relying
 /// on implementation details that may change.
diff --git a/src/pine/attribute.gleam b/src/pine/internal/attribute.gleam
similarity index 100%
rename from src/pine/attribute.gleam
rename to src/pine/internal/attribute.gleam
diff --git a/src/pine/format.gleam b/src/pine/internal/format.gleam
similarity index 95%
rename from src/pine/format.gleam
rename to src/pine/internal/format.gleam
index 9a21bdf..85f5ce3 100644
--- a/src/pine/format.gleam
+++ b/src/pine/internal/format.gleam
@@ -4,9 +4,9 @@ import gleam/int
 import gleam/json as gleam_json
 import gleam/list
 import gleam/string
-import pine/attribute
-import pine/level
-import pine/log
+import pine/internal/attribute
+import pine/internal/level
+import pine/internal/log
 
 pub type Formatter =
   fn(log.Log) -> String
diff --git a/src/pine/level.gleam b/src/pine/internal/level.gleam
similarity index 100%
rename from src/pine/level.gleam
rename to src/pine/internal/level.gleam
diff --git a/src/pine/log.gleam b/src/pine/internal/log.gleam
similarity index 50%
rename from src/pine/log.gleam
rename to src/pine/internal/log.gleam
index e304d10..e24a35a 100644
--- a/src/pine/log.gleam
+++ b/src/pine/internal/log.gleam
@@ -1,5 +1,5 @@
-import pine/attribute.{type Attribute}
-import pine/level.{type Level}
+import pine/internal/attribute.{type Attribute}
+import pine/internal/level.{type Level}
 
 pub type Log {
   Log(level: Level, ts: Int, msg: String, attributes: List(Attribute))
diff --git a/src/pine/transport.gleam b/src/pine/internal/transport.gleam
similarity index 100%
rename from src/pine/transport.gleam
rename to src/pine/internal/transport.gleam
diff --git a/test/timber_test.gleam b/test/pine_test.gleam
similarity index 100%
rename from test/timber_test.gleam
rename to test/pine_test.gleam