diff --git a/tokio-sync/Cargo.toml b/tokio-sync/Cargo.toml
index 0b1b89566..b29e2a025 100644
--- a/tokio-sync/Cargo.toml
+++ b/tokio-sync/Cargo.toml
@@ -32,5 +32,5 @@ futures-util-preview = { version = "=0.3.0-alpha.17" }
 tokio = { version = "=0.2.0-alpha.1", path = "../tokio" }
 tokio-test = { version = "=0.2.0-alpha.1", path = "../tokio-test" }
 
-env_logger = { version = "0.5", default-features = false }
+env_logger = { version = "0.6", default-features = false }
 loom = { version = "0.2.0", features = ["futures"] }
diff --git a/tokio-threadpool/Cargo.toml b/tokio-threadpool/Cargo.toml
index 8934f7d9d..9af101016 100644
--- a/tokio-threadpool/Cargo.toml
+++ b/tokio-threadpool/Cargo.toml
@@ -40,4 +40,4 @@ tokio = { version = "=0.2.0-alpha.1", path = "../tokio" }
 tokio-test = { version = "=0.2.0-alpha.1", path = "../tokio-test" }
 
 rand = "0.7"
-env_logger = "0.5"
+env_logger = { version = "0.6", default-features = false }
diff --git a/tokio-tls/Cargo.toml b/tokio-tls/Cargo.toml
index 3d4552c0b..c9c789771 100644
--- a/tokio-tls/Cargo.toml
+++ b/tokio-tls/Cargo.toml
@@ -33,7 +33,7 @@ tokio = { version = "=0.2.0-alpha.1", path = "../tokio" }
 tokio-tcp = { version = "=0.2.0-alpha.1", path = "../tokio-tcp", features = ["async-traits"] }
 
 cfg-if = "0.1"
-env_logger = { version = "0.5", default-features = false }
+env_logger = { version = "0.6", default-features = false }
 futures-preview = { version = "=0.3.0-alpha.17", features = ["async-await", "nightly"] }
 
 [target.'cfg(all(not(target_os = "macos"), not(windows), not(target_os = "ios")))'.dev-dependencies]
diff --git a/tokio-udp/Cargo.toml b/tokio-udp/Cargo.toml
index 8b8bdc3c6..ad9d9afbf 100644
--- a/tokio-udp/Cargo.toml
+++ b/tokio-udp/Cargo.toml
@@ -30,4 +30,4 @@ futures-util-preview = "=0.3.0-alpha.17"
 [dev-dependencies]
 tokio = { version = "=0.2.0-alpha.1", path = "../tokio", default-features = false, features = ["rt-full"] }
 
-env_logger = { version = "0.5", default-features = false }
+env_logger = { version = "0.6", default-features = false }
diff --git a/tokio/Cargo.toml b/tokio/Cargo.toml
index df18f4fef..fe22855ed 100644
--- a/tokio/Cargo.toml
+++ b/tokio/Cargo.toml
@@ -88,7 +88,7 @@ tokio-test = { version = "=0.2.0-alpha.1", path = "../tokio-test" }
 futures-preview = "=0.3.0-alpha.17"
 futures-util-preview = "=0.3.0-alpha.17"
 pin-utils = "=0.1.0-alpha.4"
-env_logger = { version = "0.5", default-features = false }
+env_logger = { version = "0.6", default-features = false }
 flate2 = { version = "1", features = ["tokio"] }
 http = "0.1"
 httparse = "1.0"