diff --git a/Cargo.toml b/Cargo.toml
index 732a5f5..862241d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "thiserror"
-version = "0.0.0"
+version = "1.0.0"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"
@@ -10,7 +10,7 @@ documentation = "https://docs.rs/thiserror"
 readme = "README.md"
 
 [dependencies]
-thiserror-impl = { version = "0.0", path = "impl" }
+thiserror-impl = { version = "1.0", path = "impl" }
 
 [dev-dependencies]
 anyhow = "1.0"
diff --git a/README.md b/README.md
index a2e5c55..263d405 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ This library provides a convenient derive macro for the standard library's
 
 ```toml
 [dependencies]
-thiserror = "0.0"
+thiserror = "1.0"
 ```
 
 *Compiler support: requires rustc 1.31+*
diff --git a/impl/Cargo.toml b/impl/Cargo.toml
index c0092de..fbd6958 100644
--- a/impl/Cargo.toml
+++ b/impl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "thiserror-impl"
-version = "0.0.0"
+version = "1.0.0"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"