diff --git a/flock-function/Cargo.toml b/flock-function/Cargo.toml
index c9952ea..a14655a 100644
--- a/flock-function/Cargo.toml
+++ b/flock-function/Cargo.toml
@@ -35,7 +35,7 @@ rusoto_core = { git = "https://github.com/flock-lab/rusoto", branch = "flock" }
 rusoto_lambda = { git = "https://github.com/flock-lab/rusoto", branch = "flock" }
 rusoto_s3 = { git = "https://github.com/flock-lab/rusoto", branch = "flock" }
 serde_json = "1.0"
-snmalloc-rs = { version = "0.2", optional = true, features = [ "cache-friendly" ] }
+snmalloc-rs = { version = "0.3", optional = true, features = [ "cache-friendly" ] }
 text_io = "0.1.8"
 tokio = { version = "1.4", features = [ "macros", "io-util", "sync", "rt-multi-thread" ] }
 uuid = { version = "0.8.2", features = [ "v4" ] }
diff --git a/flock/Cargo.toml b/flock/Cargo.toml
index f4fe9cd..8386ac3 100644
--- a/flock/Cargo.toml
+++ b/flock/Cargo.toml
@@ -56,7 +56,7 @@ serde = { version = "1.0", features = [ "derive" ] }
 serde_bytes = "0.11"
 serde_json = "1.0"
 snap = "1.0.3"
-snmalloc-rs = { version = "0.2", optional = true, features = [ "cache-friendly" ] }
+snmalloc-rs = { version = "0.3", optional = true, features = [ "cache-friendly" ] }
 sqlparser = "0.14.0"
 structopt = { git = "https://github.com/flock-lab/structopt", branch = "master", default-features = false }
 text_io = "0.1.8"
diff --git a/playground/Cargo.toml b/playground/Cargo.toml
index 7ff10cd..5b8a4c3 100644
--- a/playground/Cargo.toml
+++ b/playground/Cargo.toml
@@ -30,7 +30,7 @@ rusoto_core = { git = "https://github.com/flock-lab/rusoto", branch = "flock" }
 rusoto_lambda = { git = "https://github.com/flock-lab/rusoto", branch = "flock" }
 serde = { version = "1.0", features = [ "derive" ] }
 serde_json = "1.0"
-snmalloc-rs = { version = "0.2", optional = true, features = [ "cache-friendly" ] }
+snmalloc-rs = { version = "0.3", optional = true, features = [ "cache-friendly" ] }
 structopt = { git = "https://github.com/flock-lab/structopt", branch = "master", default-features = false }
 tokio = { version = "1.4", features = [ "macros", "io-util", "sync", "rt-multi-thread" ] }
 typetag = "0.1.8"