diff --git a/Cargo.toml b/Cargo.toml
index 308dec9..8c32457 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,3 +3,6 @@ name = "thiserror"
 version = "0.0.0"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 edition = "2018"
+
+[dependencies]
+thiserror-impl = { version = "0.0", path = "impl" }
diff --git a/impl/Cargo.toml b/impl/Cargo.toml
new file mode 100644
index 0000000..0c7dfa0
--- /dev/null
+++ b/impl/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "thiserror-impl"
+version = "0.0.0"
+authors = ["David Tolnay <dtolnay@gmail.com>"]
+edition = "2018"
+
+[lib]
+proc-macro = true
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..f7a7376
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1 @@
+pub use thiserror_impl::*;