diff --git a/README.md b/README.md
index b2a831ba..66e1866c 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ dependencies:
 
 ```toml
 # crates.io release
-ruma = { version = "0.3.0", features = ["..."] }
+ruma = { version = "0.4.0", features = ["..."] }
 # git dependency
 ruma = { git = "https://github.com/ruma/ruma", branch = "main", features = ["..."] }
 ```
diff --git a/crates/ruma/Cargo.toml b/crates/ruma/Cargo.toml
index 065d6b8c..f19ff972 100644
--- a/crates/ruma/Cargo.toml
+++ b/crates/ruma/Cargo.toml
@@ -7,7 +7,7 @@ homepage = "https://www.ruma.io/"
 repository = "https://github.com/ruma/ruma"
 readme = "README.md"
 license = "MIT"
-version = "0.4.0"
+version = "0.4.0" # update in workspace README.md too!
 edition = "2018"
 
 [package.metadata.docs.rs]