diff --git a/ruma-api-macros/Cargo.toml b/ruma-api-macros/Cargo.toml
index a785e09b..6738ed1d 100644
--- a/ruma-api-macros/Cargo.toml
+++ b/ruma-api-macros/Cargo.toml
@@ -18,7 +18,7 @@ edition = "2018"
 [dependencies]
 proc-macro2 = "1.0.19"
 quote = "1.0.7"
-syn = { version = "1.0.31", features = ["full", "extra-traits"] }
+syn = { version = "1.0.38", features = ["full", "extra-traits"] }
 
 [lib]
 proc-macro = true
diff --git a/ruma-api/CHANGELOG.md b/ruma-api/CHANGELOG.md
index 37a820c3..cc70e558 100644
--- a/ruma-api/CHANGELOG.md
+++ b/ruma-api/CHANGELOG.md
@@ -1,5 +1,9 @@
 # [unreleased]
 
+Breaking changes:
+
+* Update strum dependency to 0.19
+
 # 0.17.0
 
 Breaking changes:
diff --git a/ruma-api/Cargo.toml b/ruma-api/Cargo.toml
index 6db986d6..da6790cd 100644
--- a/ruma-api/Cargo.toml
+++ b/ruma-api/Cargo.toml
@@ -23,9 +23,9 @@ ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.2.3", path = "../ruma-serde" }
 serde = { version = "1.0.114", features = ["derive"] }
 serde_json = "1.0.57"
-strum = "0.18.0"
+strum = "0.19.2"
 
 [dev-dependencies]
 ruma-common = { version = "0.2.0", path = "../ruma-common" }
 ruma-events = { version = "=0.22.0-alpha.1", path = "../ruma-events" }
-trybuild = "1.0.30"
+trybuild = "1.0.31"
diff --git a/ruma-client-api/CHANGELOG.md b/ruma-client-api/CHANGELOG.md
index e785bfda..6f3c5967 100644
--- a/ruma-client-api/CHANGELOG.md
+++ b/ruma-client-api/CHANGELOG.md
@@ -4,6 +4,7 @@ Breaking changes:
 
 * Update type of `limit` in `r0::user_directory::search_users` from
   `Option<UInt>` to `UInt`
+* Update strum dependency to 0.19
 
 # 0.10.0
 
diff --git a/ruma-client-api/Cargo.toml b/ruma-client-api/Cargo.toml
index 600856c6..67840e4a 100644
--- a/ruma-client-api/Cargo.toml
+++ b/ruma-client-api/Cargo.toml
@@ -26,7 +26,7 @@ ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.2.3", path = "../ruma-serde" }
 serde = { version = "1.0.114", features = ["derive"] }
 serde_json = "1.0.57"
-strum = { version = "0.18.0", features = ["derive"] }
+strum = { version = "0.19.2", features = ["derive"] }
 
 [dev-dependencies]
 maplit = "1.0.2"
diff --git a/ruma-common/CHANGELOG.md b/ruma-common/CHANGELOG.md
index 4847b403..45d5127c 100644
--- a/ruma-common/CHANGELOG.md
+++ b/ruma-common/CHANGELOG.md
@@ -1,3 +1,9 @@
+# [unreleased]
+
+Breaking changes:
+
+* Update strum dependency to 0.19
+
 # 0.2.0
 
 Breaking changes:
diff --git a/ruma-common/Cargo.toml b/ruma-common/Cargo.toml
index 2aa32dc0..8e769986 100644
--- a/ruma-common/Cargo.toml
+++ b/ruma-common/Cargo.toml
@@ -14,8 +14,8 @@ edition = "2018"
 js_int = { version = "0.1.9", features = ["serde"] }
 ruma-serde = { version = "0.2.3", path = "../ruma-serde" }
 serde = { version = "1.0.114", features = ["derive"] }
-serde_json = { version = "1.0.56", features = ["raw_value"] }
-strum = { version = "0.18.0", features = ["derive"] }
+serde_json = { version = "1.0.57", features = ["raw_value"] }
+strum = { version = "0.19.2", features = ["derive"] }
 
 [dev-dependencies]
 matches = "0.1.8"
diff --git a/ruma-events-macros/Cargo.toml b/ruma-events-macros/Cargo.toml
index 3001dc3d..0841e22c 100644
--- a/ruma-events-macros/Cargo.toml
+++ b/ruma-events-macros/Cargo.toml
@@ -13,7 +13,7 @@ repository = "https://github.com/ruma/ruma"
 version = "0.22.0-alpha.1"
 
 [dependencies]
-syn = { version = "1.0.36", features = ["full"] }
+syn = { version = "1.0.38", features = ["full"] }
 quote = "1.0.7"
 proc-macro2 = "1.0.19"
 
diff --git a/ruma-events/CHANGELOG.md b/ruma-events/CHANGELOG.md
index cf85ecd6..ccfb0ba3 100644
--- a/ruma-events/CHANGELOG.md
+++ b/ruma-events/CHANGELOG.md
@@ -1,5 +1,9 @@
 # [unreleased]
 
+Breaking changes:
+
+* Update strum dependency to 0.19
+
 # 0.22.0
 
 Breaking changes:
diff --git a/ruma-events/Cargo.toml b/ruma-events/Cargo.toml
index a8255d3f..d51c792b 100644
--- a/ruma-events/Cargo.toml
+++ b/ruma-events/Cargo.toml
@@ -19,15 +19,15 @@ ruma-common = { version = "0.2.0", path = "../ruma-common" }
 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 = { version = "1.0.114", features = ["derive"] }
 serde_json = { version = "1.0.57", features = ["raw_value"] }
-strum = { version = "0.18.0", features = ["derive"] }
+strum = { version = "0.19.2", features = ["derive"] }
 
 [dev-dependencies]
 maplit = "1.0.2"
 matches = "0.1.8"
 ruma-identifiers = { version = "0.17.1", path = "../ruma-identifiers", features = ["rand"] }
-trybuild = "1.0.30"
+trybuild = "1.0.31"
 
 [[bench]]
 name = "event_deserialize"
diff --git a/ruma-identifiers-macros/Cargo.toml b/ruma-identifiers-macros/Cargo.toml
index 3df4c873..2842de31 100644
--- a/ruma-identifiers-macros/Cargo.toml
+++ b/ruma-identifiers-macros/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 ruma-identifiers-validation = { version = "0.1.0", path = "../ruma-identifiers-validation" }
 quote = "1.0.7"
 proc-macro2 = "1.0.19"
-syn = "1.0.35"
+syn = "1.0.38"
 
 [lib]
 proc-macro = true
diff --git a/ruma-identifiers-validation/Cargo.toml b/ruma-identifiers-validation/Cargo.toml
index 81cf8bf1..6f62bb5b 100644
--- a/ruma-identifiers-validation/Cargo.toml
+++ b/ruma-identifiers-validation/Cargo.toml
@@ -13,4 +13,4 @@ version = "0.1.0"
 edition = "2018"
 
 [dependencies]
-strum = { version = "0.18.0", features = ["derive"] }
+strum = { version = "0.19.2", features = ["derive"] }
diff --git a/ruma-identifiers/CHANGELOG.md b/ruma-identifiers/CHANGELOG.md
index 0daaf7d7..9393fe32 100644
--- a/ruma-identifiers/CHANGELOG.md
+++ b/ruma-identifiers/CHANGELOG.md
@@ -1,5 +1,9 @@
 # [unreleased]
 
+Breaking changes:
+
+* Update strum dependency to 0.19
+
 # 0.17.2
 
 Bug fixes:
diff --git a/ruma-identifiers/Cargo.toml b/ruma-identifiers/Cargo.toml
index 634e6ff3..e6a8af9d 100644
--- a/ruma-identifiers/Cargo.toml
+++ b/ruma-identifiers/Cargo.toml
@@ -28,7 +28,7 @@ rand = { version = "0.7.3", optional = true }
 ruma-identifiers-macros = { version = "=0.17.2", path = "../ruma-identifiers-macros" }
 ruma-identifiers-validation = { version = "0.1.0", path = "../ruma-identifiers-validation" }
 serde = { version = "1.0.114", optional = true, features = ["derive"] }
-strum = { version = "0.18.0", features = ["derive"] }
+strum = { version = "0.19.2", features = ["derive"] }
 
 [dev-dependencies]
 matches = "0.1.8"
diff --git a/ruma-signatures/Cargo.toml b/ruma-signatures/Cargo.toml
index 93342722..f43ece5b 100644
--- a/ruma-signatures/Cargo.toml
+++ b/ruma-signatures/Cargo.toml
@@ -13,7 +13,7 @@ repository = "https://github.com/ruma/ruma"
 version = "0.6.0-dev.1"
 
 [dependencies]
-base64 = "0.12.2"
+base64 = "0.12.3"
 ring = "0.16.15"
-serde_json = "1.0.55"
+serde_json = "1.0.57"
 untrusted = "0.7.1"