diff --git a/cargo-pgx/Cargo.toml b/cargo-pgx/Cargo.toml
index 7fa7cfd35..a12a9a858 100644
--- a/cargo-pgx/Cargo.toml
+++ b/cargo-pgx/Cargo.toml
@@ -11,7 +11,7 @@ documentation = "https://docs.rs/cargo-pgx"
 readme = "README.md"
 
 [dependencies]
-clap = { version = "2.33.1", features = [ "yaml" ] }
+clap = { version = "2.33.3", features = [ "yaml" ] }
 colored = "2.0.0"
 env_proxy = "0.4.1"
 num_cpus = "1.13.0"
@@ -21,6 +21,6 @@ quote = "1.0.7"
 rayon = "1.3.1"
 regex = "1.3.9"
 rttp_client = { version = "0.1.0", features = ["tls-native"] }
-syn = { version = "1.0.36", features = [ "extra-traits", "full", "fold", "parsing" ] }
+syn = { version = "1.0.38", features = [ "extra-traits", "full", "fold", "parsing" ] }
 unescape = "0.1.0"
 fork = "0.1.17"
diff --git a/pgx-macros/Cargo.toml b/pgx-macros/Cargo.toml
index 9aec6d05f..043f6dee9 100644
--- a/pgx-macros/Cargo.toml
+++ b/pgx-macros/Cargo.toml
@@ -18,5 +18,5 @@ pgx-utils = { path = "../pgx-utils", version= "^0.0.12"}
 proc-macro2 = "1.0.19"
 quote = "1.0.7"
 regex = "1.3.9"
-syn = { version = "1.0.36", features = [ "extra-traits", "full", "fold", "parsing" ] }
+syn = { version = "1.0.38", features = [ "extra-traits", "full", "fold", "parsing" ] }
 unescape = "0.1.0"
diff --git a/pgx-pg-sys/Cargo.toml b/pgx-pg-sys/Cargo.toml
index 92d5d8f25..02f6983b2 100644
--- a/pgx-pg-sys/Cargo.toml
+++ b/pgx-pg-sys/Cargo.toml
@@ -34,4 +34,4 @@ pgx-utils = { path = "../pgx-utils/", version= "^0.0.12"}
 proc-macro2 = "1.0.19"
 quote = "1.0.7"
 rayon = "1.3.1"
-syn = { version = "1.0.36", features = [ "extra-traits", "full", "fold", "parsing" ] }
+syn = { version = "1.0.38", features = [ "extra-traits", "full", "fold", "parsing" ] }
diff --git a/pgx-tests/Cargo.toml b/pgx-tests/Cargo.toml
index 73e611887..d016b64f1 100644
--- a/pgx-tests/Cargo.toml
+++ b/pgx-tests/Cargo.toml
@@ -33,7 +33,7 @@ pgx-macros = { path = "../pgx-macros", version= "^0.0.12"}
 pgx-utils = { path = "../pgx-utils", version= "^0.0.12"}
 postgres = "0.17.5"
 regex = "1.3.9"
-serde = "1.0.114"
+serde = "1.0.115"
 serde_json = "1.0.57"
 shutdown_hooks = "0.1.0"
 time = "0.2.16"
diff --git a/pgx-utils/Cargo.toml b/pgx-utils/Cargo.toml
index 2c2e52de3..800aade54 100644
--- a/pgx-utils/Cargo.toml
+++ b/pgx-utils/Cargo.toml
@@ -16,8 +16,8 @@ dirs = "3.0.1"
 proc-macro2 = "1.0.19"
 quote = "1.0.7"
 regex = "1.3.9"
-serde = "1.0.114"
-serde_derive = "1.0.114"
-syn = { version = "1.0.36", features = [ "extra-traits", "full", "fold", "parsing" ] }
+serde = "1.0.115"
+serde_derive = "1.0.115"
+syn = { version = "1.0.38", features = [ "extra-traits", "full", "fold", "parsing" ] }
 toml = "0.5.6"
 unescape = "0.1.0"
diff --git a/pgx/Cargo.toml b/pgx/Cargo.toml
index 0e2191ebd..e2e75e3d2 100644
--- a/pgx/Cargo.toml
+++ b/pgx/Cargo.toml
@@ -29,7 +29,7 @@ lazy_static = "1.4.0"
 num-traits = "0.2.12"
 pgx-macros = { path = "../pgx-macros/", version= "^0.0.12"}
 pgx-pg-sys = { path = "../pgx-pg-sys", version= "^0.0.12"}
-serde = { version = "1.0.114", features = [ "derive" ] }
+serde = { version = "1.0.115", features = [ "derive" ] }
 serde_cbor = "0.11.1"
 serde_json = "1.0.57"
 time = "0.2.16"