diff --git a/matrix_sdk/Cargo.toml b/matrix_sdk/Cargo.toml
index 3cb79b13..37a84cf4 100644
--- a/matrix_sdk/Cargo.toml
+++ b/matrix_sdk/Cargo.toml
@@ -50,7 +50,7 @@ bytes = "1.0.1"
 matrix-sdk-common = { version = "0.4.0", path = "../matrix_sdk_common" }
 
 [dependencies.matrix-sdk-base]
-version = "0.3.0"
+version = "0.4.0"
 path = "../matrix_sdk_base"
 default_features = false
 
diff --git a/matrix_sdk_base/Cargo.toml b/matrix_sdk_base/Cargo.toml
index 12fe7108..2ac799da 100644
--- a/matrix_sdk_base/Cargo.toml
+++ b/matrix_sdk_base/Cargo.toml
@@ -8,7 +8,7 @@ license = "Apache-2.0"
 name = "matrix-sdk-base"
 readme = "README.md"
 repository = "https://github.com/matrix-org/matrix-rust-sdk"
-version = "0.3.0"
+version = "0.4.0"
 
 [package.metadata.docs.rs]
 features = ["docs"]