diff --git a/crates/ruma-api/Cargo.toml b/crates/ruma-api/Cargo.toml
index 76e48cd2..ae90e4ae 100644
--- a/crates/ruma-api/Cargo.toml
+++ b/crates/ruma-api/Cargo.toml
@@ -30,7 +30,7 @@ bytes = "1.0.1"
 http = "0.2.2"
 percent-encoding = "2.1.0"
 ruma-api-macros = { version = "=0.17.0", path = "../ruma-api-macros" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = "1.0.61"
diff --git a/crates/ruma-appservice-api/Cargo.toml b/crates/ruma-appservice-api/Cargo.toml
index 751318b3..a91604a2 100644
--- a/crates/ruma-appservice-api/Cargo.toml
+++ b/crates/ruma-appservice-api/Cargo.toml
@@ -25,7 +25,7 @@ ruma-api = { version = "0.17.0", path = "../ruma-api" }
 ruma-client-api = { version = "0.10.2", path = "../ruma-client-api", features = ["client"], optional = true }
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
 ruma-events = { version = "0.22.2", path = "../ruma-events" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = "1.0.61"
diff --git a/crates/ruma-client-api/Cargo.toml b/crates/ruma-client-api/Cargo.toml
index 851ef167..07c48769 100644
--- a/crates/ruma-client-api/Cargo.toml
+++ b/crates/ruma-client-api/Cargo.toml
@@ -37,7 +37,7 @@ percent-encoding = "2.1.0"
 ruma-api = { version = "0.17.0", path = "../ruma-api" }
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
 ruma-events = { version = "0.22.2", path = "../ruma-events" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = "1.0.61"
diff --git a/crates/ruma-client/Cargo.toml b/crates/ruma-client/Cargo.toml
index c4df416e..5e0440b6 100644
--- a/crates/ruma-client/Cargo.toml
+++ b/crates/ruma-client/Cargo.toml
@@ -48,7 +48,7 @@ ruma-api = { version = "0.17.0", path = "../ruma-api" }
 ruma-client-api = { version = "0.10.2", path = "../ruma-client-api", optional = true, features = ["client"] }
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
 ruma-events = { version = "0.22.2", path = "../ruma-events" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = "1.0.61"
diff --git a/crates/ruma-common/Cargo.toml b/crates/ruma-common/Cargo.toml
index 866881c3..c563c23e 100644
--- a/crates/ruma-common/Cargo.toml
+++ b/crates/ruma-common/Cargo.toml
@@ -22,7 +22,7 @@ unstable-pre-spec = []
 [dependencies]
 indexmap = { version = "1.6.2", features = ["serde-1"] }
 js_int = { version = "0.2.0", features = ["serde"] }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = { version = "1.0.60", features = ["raw_value"] }
diff --git a/crates/ruma-events/Cargo.toml b/crates/ruma-events/Cargo.toml
index 854f6e0c..9a7b2bf4 100644
--- a/crates/ruma-events/Cargo.toml
+++ b/crates/ruma-events/Cargo.toml
@@ -29,7 +29,7 @@ js_int = { version = "0.2.0", features = ["serde"] }
 pulldown-cmark = { version = "0.8", default-features = false, optional = true }
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
 ruma-events-macros = { version = "=0.22.2", path = "../ruma-events-macros" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers", features = ["serde"] }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers", features = ["serde"] }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = { version = "1.0.60", features = ["raw_value"] }
@@ -38,7 +38,7 @@ serde_json = { version = "1.0.60", features = ["raw_value"] }
 assign = "1.1.1"
 maplit = "1.0.2"
 matches = "0.1.8"
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers", features = ["rand"] }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers", features = ["rand"] }
 trybuild = "1.0.38"
 
 [[bench]]
diff --git a/crates/ruma-federation-api/Cargo.toml b/crates/ruma-federation-api/Cargo.toml
index f8cbf690..69d7b726 100644
--- a/crates/ruma-federation-api/Cargo.toml
+++ b/crates/ruma-federation-api/Cargo.toml
@@ -29,7 +29,7 @@ js_int = { version = "0.2.0", features = ["serde"] }
 ruma-api = { version = "0.17.0", path = "../ruma-api" }
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
 ruma-events = { version = "0.22.2", path = "../ruma-events" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = "1.0.61"
diff --git a/crates/ruma-identifiers-macros/Cargo.toml b/crates/ruma-identifiers-macros/Cargo.toml
index 596c1f3a..f04a1b7b 100644
--- a/crates/ruma-identifiers-macros/Cargo.toml
+++ b/crates/ruma-identifiers-macros/Cargo.toml
@@ -6,7 +6,7 @@ keywords = ["matrix", "chat", "messaging", "ruma"]
 license = "MIT"
 name = "ruma-identifiers-macros"
 repository = "https://github.com/ruma/ruma"
-version = "0.19.2"
+version = "0.19.3"
 edition = "2018"
 
 [lib]
diff --git a/crates/ruma-identifiers/CHANGELOG.md b/crates/ruma-identifiers/CHANGELOG.md
index 8260ce1b..ee3f87e6 100644
--- a/crates/ruma-identifiers/CHANGELOG.md
+++ b/crates/ruma-identifiers/CHANGELOG.md
@@ -1,7 +1,11 @@
 # [unreleased]
 
+# 0.19.3
+
 Improvement:
 
+* Add `serde::{Deserialize, Serialize}` implementations for `Signatures` when the `serde` feature
+  is active
 * Add conversions of borrowed `ServerName`, `DeviceId` and `KeyName` to `Arc<_>` and `Rc<_>`
 
 # 0.19.2
diff --git a/crates/ruma-identifiers/Cargo.toml b/crates/ruma-identifiers/Cargo.toml
index c32c4e98..168ffc15 100644
--- a/crates/ruma-identifiers/Cargo.toml
+++ b/crates/ruma-identifiers/Cargo.toml
@@ -11,7 +11,7 @@ license = "MIT"
 name = "ruma-identifiers"
 readme = "README.md"
 repository = "https://github.com/ruma/ruma"
-version = "0.19.2"
+version = "0.19.3"
 edition = "2018"
 
 [package.metadata.docs.rs]
@@ -27,7 +27,7 @@ serde = ["ruma-serde", "serde1"]
 either = { version = "1.6.1", optional = true }
 paste = "1.0.5"
 rand = { version = "0.8.3", optional = true }
-ruma-identifiers-macros = { version = "=0.19.2", path = "../ruma-identifiers-macros" }
+ruma-identifiers-macros = { version = "=0.19.3", path = "../ruma-identifiers-macros" }
 ruma-identifiers-validation = { version = "0.4.0", path = "../ruma-identifiers-validation", default-features = false }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde", optional = true }
 ruma-serde-macros = { version = "=0.4.0", path = "../ruma-serde-macros" }
diff --git a/crates/ruma-identity-service-api/Cargo.toml b/crates/ruma-identity-service-api/Cargo.toml
index 9ab8ae99..2e455093 100644
--- a/crates/ruma-identity-service-api/Cargo.toml
+++ b/crates/ruma-identity-service-api/Cargo.toml
@@ -22,7 +22,7 @@ server = []
 js_int = { version = "0.2.0", features = ["serde"] }
 ruma-api = { version = "0.17.0", path = "../ruma-api" }
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 
diff --git a/crates/ruma-push-gateway-api/Cargo.toml b/crates/ruma-push-gateway-api/Cargo.toml
index 1e5caad4..b9fa79fb 100644
--- a/crates/ruma-push-gateway-api/Cargo.toml
+++ b/crates/ruma-push-gateway-api/Cargo.toml
@@ -23,7 +23,7 @@ js_int = { version = "0.2.0", features = ["serde"] }
 ruma-api = { version = "0.17.0", path = "../ruma-api" }
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
 ruma-events = { version = "0.22.2", path = "../ruma-events" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = "1.0.61"
diff --git a/crates/ruma-signatures/Cargo.toml b/crates/ruma-signatures/Cargo.toml
index 46a91020..6e973a45 100644
--- a/crates/ruma-signatures/Cargo.toml
+++ b/crates/ruma-signatures/Cargo.toml
@@ -24,7 +24,7 @@ ed25519-dalek = "1.0.1"
 pkcs8 = { version = "0.6.1", features = ["alloc"] }
 # because dalek uses an older version of rand_core
 rand = { version = "0.7", features = ["getrandom"] }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 serde_json = "1.0.60"
 sha2 = "0.9.5"
diff --git a/crates/ruma-state-res/Cargo.toml b/crates/ruma-state-res/Cargo.toml
index 33e54f3a..dd1dec47 100644
--- a/crates/ruma-state-res/Cargo.toml
+++ b/crates/ruma-state-res/Cargo.toml
@@ -23,7 +23,7 @@ js_int = "0.2.0"
 maplit = "1.0.2"
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
 ruma-events = { version = "0.22.2", path = "../ruma-events" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 ruma-signatures = { version = "0.7.2", path = "../ruma-signatures" }
 serde = { version = "1.0.118", features = ["derive"] }
diff --git a/crates/ruma/Cargo.toml b/crates/ruma/Cargo.toml
index f60ee51c..0a47942d 100644
--- a/crates/ruma/Cargo.toml
+++ b/crates/ruma/Cargo.toml
@@ -118,7 +118,7 @@ assign = "1.1.1"
 js_int = "0.2.0"
 
 ruma-common = { version = "0.5.3", path = "../ruma-common" }
-ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers", features = ["serde"] }
+ruma-identifiers = { version = "0.19.3", path = "../ruma-identifiers", features = ["serde"] }
 ruma-serde = { version = "0.4.0", path = "../ruma-serde" }
 
 ruma-client = { version = "0.5.0", path = "../ruma-client", optional = true }