diff --git a/Cargo.toml b/Cargo.toml
index f3a1069..dbf4a28 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "curve25519-dalek"
-version = "0.21.0"
+version = "1.0.0-pre.0"
 authors = ["Isis Lovecruft <isis@patternsinthevoid.net>",
            "Henry de Valence <hdevalence@hdevalence.ca>"]
 readme = "README.md"
diff --git a/README.md b/README.md
index 745c52a..52a5481 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ make doc-internal
 To import `curve25519-dalek`, add the following to the dependencies section of
 your project's `Cargo.toml`:
 ```toml
-curve25519-dalek = "0.21"
+curve25519-dalek = "1.0.0-pre.0"
 ```
 Then import the crate as:
 ```rust,no_run