diff --git a/Cargo.toml b/Cargo.toml
index a2668cff..ad864469 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,11 +19,11 @@ edition = "2018"
 http = "0.2.0"
 percent-encoding = { version = "2.1.0", optional = true }
 ruma-api-macros = { version = "=0.9.1", path = "ruma-api-macros", optional = true }
-ruma-identifiers = { version = "0.14.0", optional = true }
-serde = { version = "1.0.103", features = ["derive"], optional = true }
-serde_json = "1.0.42"
+ruma-identifiers = { version = "0.14.1", optional = true }
+serde = { version = "1.0.104", features = ["derive"], optional = true }
+serde_json = "1.0.46"
 serde_urlencoded = "0.6.1"
-url = { version = "2.1.0", optional = true }
+url = { version = "2.1.1", optional = true }
 
 [dev-dependencies]
 ruma-events = "0.15.1"
diff --git a/ruma-api-macros/Cargo.toml b/ruma-api-macros/Cargo.toml
index d45b86ae..499145be 100644
--- a/ruma-api-macros/Cargo.toml
+++ b/ruma-api-macros/Cargo.toml
@@ -16,9 +16,9 @@ version = "0.9.1"
 edition = "2018"
 
 [dependencies]
-proc-macro2 = "1.0.6"
+proc-macro2 = "1.0.8"
 quote = "1.0.2"
-syn = { version = "1.0.8", features = ["full", "extra-traits"] }
+syn = { version = "1.0.14", features = ["full", "extra-traits"] }
 
 [lib]
 proc-macro = true