diff --git a/Cargo.lock b/Cargo.lock
index e5f82f4..bf55f5b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -700,7 +700,7 @@ dependencies = [
  "http-body",
  "hyper",
  "pin-project-lite",
- "socket2 0.5.7",
+ "socket2",
  "tokio",
  "tower",
  "tower-service",
@@ -784,7 +784,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b58db92f96b720de98181bbbe63c831e87005ab460c1bf306eb2622b4707997f"
 dependencies = [
- "socket2 0.5.7",
+ "socket2",
  "widestring",
  "windows-sys 0.48.0",
  "winreg 0.50.0",
@@ -911,9 +911,9 @@ dependencies = [
 
 [[package]]
 name = "mongodb"
-version = "2.8.2"
+version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef206acb1b72389b49bc9985efe7eb1f8a9bb18e5680d262fac26c07f44025f1"
+checksum = "60f61f1556ee1d65e0b256e5bbc6d61e10022d1e3df86c23526d469bd832fa24"
 dependencies = [
  "async-trait",
  "base64 0.13.1",
@@ -928,8 +928,9 @@ dependencies = [
  "futures-util",
  "hex",
  "hmac",
- "lazy_static",
  "md-5",
+ "mongodb-internal-macros",
+ "once_cell",
  "pbkdf2",
  "percent-encoding 2.3.1",
  "rand",
@@ -941,7 +942,7 @@ dependencies = [
  "serde_with",
  "sha-1",
  "sha2",
- "socket2 0.4.10",
+ "socket2",
  "stringprep",
  "strsim",
  "take_mut",
@@ -956,6 +957,17 @@ dependencies = [
  "webpki-roots",
 ]
 
+[[package]]
+name = "mongodb-internal-macros"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "934305ae9c66ef6a3aa728c66dec8fa2424de4dfcd043c7acaffacae2bf99442"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.74",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -1634,16 +1646,6 @@ version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
-[[package]]
-name = "socket2"
-version = "0.4.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f7916fc008ca5542385b89a3d3ce689953c143e9304a9bf8beec1de48994c0d"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "socket2"
 version = "0.5.7"
@@ -1812,7 +1814,7 @@ dependencies = [
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2 0.5.7",
+ "socket2",
  "tokio-macros",
  "windows-sys 0.52.0",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index ea4992f..4157e69 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ anyhow = "1.0"
 clap-verbosity-flag = "2.0"
 env_logger = { version = "0.11", default-features = false }
 futures-util = "0.3"
-mongodb = "2.7"
+mongodb = "3.0"
 serde = { version = "1.0", features = [ "derive" ] }
 signal-hook = { version = "0.3", default-features = false }
 signal-hook-tokio = { version = "0.3", features = [ "futures-v0_3" ] }