diff --git a/ruma-api/Cargo.toml b/ruma-api/Cargo.toml
index 5a7dd46e..2dff07f1 100644
--- a/ruma-api/Cargo.toml
+++ b/ruma-api/Cargo.toml
@@ -27,5 +27,5 @@ strum = "0.18.0"
 
 [dev-dependencies]
 ruma-common = { version = "0.2.0", path = "../ruma-common" }
-ruma-events = { version = "0.21.3", path = "../ruma-events" }
+ruma-events = { version = "=0.22.0-alpha.1", path = "../ruma-events" }
 trybuild = "1.0.30"
diff --git a/ruma-appservice-api/Cargo.toml b/ruma-appservice-api/Cargo.toml
index 873c3971..441a188b 100644
--- a/ruma-appservice-api/Cargo.toml
+++ b/ruma-appservice-api/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2018"
 [dependencies]
 ruma-api = { version = "0.16.1", path = "../ruma-api" }
 ruma-common = { version = "0.2.0", path = "../ruma-common" }
-ruma-events = { version = "0.21.3", path = "../ruma-events" }
+ruma-events = { version = "=0.22.0-alpha.1", path = "../ruma-events" }
 ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers" }
 serde = { version = "1.0.113", features = ["derive"] }
 serde_json = "1.0.55"
diff --git a/ruma-client-api/Cargo.toml b/ruma-client-api/Cargo.toml
index e3fd3d89..c32a149a 100644
--- a/ruma-client-api/Cargo.toml
+++ b/ruma-client-api/Cargo.toml
@@ -21,7 +21,7 @@ http = "0.2.1"
 js_int = { version = "0.1.7", features = ["serde"] }
 ruma-api = { version = "0.16.1", path = "../ruma-api" }
 ruma-common = { version = "0.2.0", path = "../ruma-common" }
-ruma-events = { version = "0.21.3", path = "../ruma-events" }
+ruma-events = { version = "=0.22.0-alpha.1", path = "../ruma-events" }
 ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.2.3", path = "../ruma-serde" }
 serde = { version = "1.0.113", features = ["derive"] }
diff --git a/ruma-events-macros/Cargo.toml b/ruma-events-macros/Cargo.toml
index a4f62ac7..3001dc3d 100644
--- a/ruma-events-macros/Cargo.toml
+++ b/ruma-events-macros/Cargo.toml
@@ -10,18 +10,18 @@ license = "MIT"
 name = "ruma-events-macros"
 readme = "README.md"
 repository = "https://github.com/ruma/ruma"
-version = "0.21.3"
+version = "0.22.0-alpha.1"
 
 [dependencies]
-syn = { version = "1.0.31", features = ["full"] }
+syn = { version = "1.0.36", features = ["full"] }
 quote = "1.0.7"
-proc-macro2 = "1.0.18"
+proc-macro2 = "1.0.19"
 
 [lib]
 proc-macro = true
 
 [dev-dependencies]
 ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers" }
-serde_json = "1.0.55"
-js_int = { version = "0.1.7", features = ["serde"] }
-serde = { version = "1.0.113", features = ["derive"] }
+serde_json = "1.0.57"
+js_int = { version = "0.1.9", features = ["serde"] }
+serde = { version = "1.0.114", features = ["derive"] }
diff --git a/ruma-events/CHANGELOG.md b/ruma-events/CHANGELOG.md
index 1eb75130..976ce1a9 100644
--- a/ruma-events/CHANGELOG.md
+++ b/ruma-events/CHANGELOG.md
@@ -1,5 +1,7 @@
 # [unreleased]
 
+# 0.22.0
+
 Breaking changes:
 
 * Change `get_message_events` limit field type from `Option<UInt>` to `UInt`
diff --git a/ruma-events/Cargo.toml b/ruma-events/Cargo.toml
index d1d06997..a8255d3f 100644
--- a/ruma-events/Cargo.toml
+++ b/ruma-events/Cargo.toml
@@ -9,18 +9,18 @@ license = "MIT"
 name = "ruma-events"
 readme = "README.md"
 repository = "https://github.com/ruma/ruma"
-version = "0.21.3"
+version = "0.22.0-alpha.1"
 edition = "2018"
 
 [dependencies]
-criterion = { version = "0.3.2", optional = true }
-js_int = { version = "0.1.7", features = ["serde"] }
+criterion = { version = "0.3.3", optional = true }
+js_int = { version = "0.1.9", features = ["serde"] }
 ruma-common = { version = "0.2.0", path = "../ruma-common" }
-ruma-events-macros = { version = "=0.21.3", path = "../ruma-events-macros" }
+ruma-events-macros = { version = "=0.22.0-alpha.1", path = "../ruma-events-macros" }
 ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.2.3", path = "../ruma-serde" }
 serde = { version = "1.0.113", features = ["derive"] }
-serde_json = { version = "1.0.55", features = ["raw_value"] }
+serde_json = { version = "1.0.57", features = ["raw_value"] }
 strum = { version = "0.18.0", features = ["derive"] }
 
 [dev-dependencies]
diff --git a/ruma-federation-api/Cargo.toml b/ruma-federation-api/Cargo.toml
index 92c5bd96..7f0198c4 100644
--- a/ruma-federation-api/Cargo.toml
+++ b/ruma-federation-api/Cargo.toml
@@ -19,7 +19,7 @@ version = "0.0.2"
 js_int = "0.1.7"
 ruma-api = { version = "0.16.1", path = "../ruma-api" }
 ruma-common = { version = "0.2.0", path = "../ruma-common" }
-ruma-events = { version = "0.21.3", path = "../ruma-events" }
+ruma-events = { version = "=0.22.0-alpha.1", path = "../ruma-events" }
 ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.2.3", path = "../ruma-serde" }
 serde = { version = "1.0.113", features = ["derive"] }
diff --git a/ruma/Cargo.toml b/ruma/Cargo.toml
index 55e3e365..f4a1759a 100644
--- a/ruma/Cargo.toml
+++ b/ruma/Cargo.toml
@@ -27,7 +27,7 @@ ruma-common = { version = "0.2.0", path = "../ruma-common" }
 ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers", features = ["serde"] }
 ruma-identifiers-macros = { version = "0.17.1", path = "../ruma-identifiers-macros" }
 
-ruma-events = { version = "0.21.3", path = "../ruma-events", optional = true }
+ruma-events = { version = "=0.22.0-alpha.1", path = "../ruma-events", optional = true }
 ruma-signatures = { version = "0.6.0-dev.1", path = "../ruma-signatures", optional = true }
 
 ruma-api = { version = "0.16.1", path = "../ruma-api", optional = true }