diff --git a/Cargo.toml b/Cargo.toml
index d1ccab4..3e9b2ad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ name = "curve25519-dalek"
 # - update html_root_url
 # - update README if required by semver
 # - if README was updated, also update module documentation in src/lib.rs
-version = "4.0.0-pre.3"
+version = "4.0.0-pre.4"
 edition = "2021"
 rust-version = "1.56.1"
 authors = ["Isis Lovecruft <isis@patternsinthevoid.net>",
diff --git a/README.md b/README.md
index 47340f0..990a839 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ curve25519-dalek = "3"
 To use the latest prerelease (see changes [below](#breaking-changes-in-400)),
 use the following line in your project's `Cargo.toml`:
 ```toml
-curve25519-dalek = "4.0.0-pre.3"
+curve25519-dalek = "4.0.0-pre.4"
 ```
 
 ## Feature Flags