diff --git a/refinery/Cargo.toml b/refinery/Cargo.toml
index 31825e43..f770902d 100644
--- a/refinery/Cargo.toml
+++ b/refinery/Cargo.toml
@@ -17,7 +17,7 @@ default = []
 rusqlite-bundled = ["refinery-core/rusqlite-bundled"]
 rusqlite = ["refinery-core/rusqlite"]
 postgres = ["refinery-core/postgres"]
-mysql = ["refinery-core/mysql", "refinery-core/flate2"]
+mysql = ["refinery-core/mysql"]
 tokio-postgres = ["refinery-core/tokio-postgres"]
 mysql_async = ["refinery-core/mysql_async"]
 tiberius = ["refinery-core/tiberius"]
diff --git a/refinery_cli/Cargo.toml b/refinery_cli/Cargo.toml
index 41211405..e75716c3 100644
--- a/refinery_cli/Cargo.toml
+++ b/refinery_cli/Cargo.toml
@@ -17,7 +17,7 @@ path = "src/main.rs"
 [features]
 default = ["mysql", "postgresql", "sqlite-bundled", "mssql"]
 postgresql = ["refinery-core/postgres"]
-mysql = ["refinery-core/mysql", "refinery-core/flate2"]
+mysql = ["refinery-core/mysql"]
 sqlite = ["refinery-core/rusqlite"]
 sqlite-bundled = ["sqlite", "refinery-core/rusqlite-bundled"]
 mssql = ["refinery-core/tiberius-config", "tokio"]
diff --git a/refinery_core/Cargo.toml b/refinery_core/Cargo.toml
index 4b4963e0..75f76e1a 100644
--- a/refinery_core/Cargo.toml
+++ b/refinery_core/Cargo.toml
@@ -11,10 +11,10 @@ edition = "2018"
 [features]
 default = []
 rusqlite-bundled = ["rusqlite", "rusqlite/bundled"]
-tiberius = ["dep:tiberius", "futures"]
+tiberius = ["dep:tiberius", "futures", "tokio", "tokio/net"]
 tiberius-config = ["tiberius", "tokio", "tokio-util"]
-tokio-postgres = ["dep:tokio-postgres", "tokio"]
-mysql_async = ["dep:mysql_async", "tokio"]
+tokio-postgres = ["dep:tokio-postgres", "tokio", "tokio/rt"]
+mysql_async = ["dep:mysql_async"]
 
 [dependencies]
 async-trait = "0.1"
@@ -23,7 +23,7 @@ lazy_static = "1"
 log = "0.4"
 regex = "1"
 serde = { version = "1", features = ["derive"] }
-siphasher = "0.3"
+siphasher = "1.0"
 thiserror = "1"
 toml = "0.7"
 url = "2.0"
@@ -33,17 +33,14 @@ walkdir = "2.3.1"
 rusqlite = { version = ">= 0.23, <= 0.29", optional = true }
 postgres = { version = ">=0.17, <= 0.19", optional = true }
 tokio-postgres = { version = ">= 0.5, <= 0.7", optional = true }
-mysql = { version = ">= 21.0.0, <= 23", optional = true, default-features = false }
-mysql_async = { version = ">= 0.28, <= 0.32", optional = true }
+mysql = { version = ">= 21.0.0, <= 23", optional = true, default-features = false, features = ["minimal"] }
+mysql_async = { version = ">= 0.28, <= 0.32", optional = true, default-features = false, features = ["minimal"] }
 tiberius = { version = ">= 0.7, <= 0.12", optional = true, default-features = false }
-tokio = { version = "1.0", features = ["full"], optional = true }
-futures = { version = "0.3.16", optional = true }
+tokio = { version = "1.0", optional = true }
+futures = { version = "0.3.16", optional = true, features = ["async-await"] }
 tokio-util = { version = "0.7.7", features = ["compat"], optional = true }
 time = { version = "0.3.5", features = ["parsing", "formatting"] }
 
-# Flate2 needs to be included for mysql to work
-flate2 = { version = "1.0", default-features = false, features = [ "zlib" ], optional = true}
-
 [dev-dependencies]
 barrel = { git = "https://github.com/jxs/barrel", features = ["sqlite3", "pg", "mysql", "mssql"] }
 tempfile = "3.1.0"