diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 01f1e024bb..56a12115f9 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -1666,9 +1666,9 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.8.2"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26ecb66b4bdca6c1409b40fb255eefc2bd4f6d135dab3c3124f80ffa2a9661e"
+checksum = "a19187fea3ac7e84da7dacf48de0c45d63c6a76f9490dae389aead16c243fce3"
 dependencies = [
  "atty",
  "humantime 2.0.1",
@@ -5705,7 +5705,7 @@ name = "polkadot-approval-distribution"
 version = "0.1.0"
 dependencies = [
  "assert_matches",
- "env_logger 0.8.2",
+ "env_logger 0.8.4",
  "futures 0.3.15",
  "log",
  "polkadot-node-network-protocol",
@@ -5726,7 +5726,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "bitvec",
- "env_logger 0.8.2",
+ "env_logger 0.8.4",
  "futures 0.3.15",
  "log",
  "maplit",
@@ -5777,7 +5777,7 @@ name = "polkadot-availability-recovery"
 version = "0.1.0"
 dependencies = [
  "assert_matches",
- "env_logger 0.8.2",
+ "env_logger 0.8.4",
  "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
@@ -5859,7 +5859,7 @@ version = "0.1.0"
 dependencies = [
  "always-assert",
  "assert_matches",
- "env_logger 0.8.2",
+ "env_logger 0.8.4",
  "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
@@ -6009,7 +6009,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "bitvec",
- "env_logger 0.8.2",
+ "env_logger 0.8.4",
  "futures 0.3.15",
  "futures-timer 3.0.2",
  "kvdb",
@@ -6345,7 +6345,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "async-trait",
- "env_logger 0.8.2",
+ "env_logger 0.8.4",
  "futures 0.3.15",
  "futures-timer 3.0.2",
  "itertools 0.10.0",
@@ -6687,7 +6687,7 @@ version = "0.9.5"
 dependencies = [
  "beefy-gadget",
  "beefy-primitives",
- "env_logger 0.8.2",
+ "env_logger 0.8.4",
  "frame-system-rpc-runtime-api",
  "futures 0.3.15",
  "hex-literal",
@@ -7559,7 +7559,7 @@ name = "remote-externalities"
 version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate?branch=master#8b4df6ad44c169e727278a9ad012d065ecca0661"
 dependencies = [
- "env_logger 0.8.2",
+ "env_logger 0.8.4",
  "hex",
  "jsonrpsee-proc-macros",
  "jsonrpsee-ws-client",
diff --git a/polkadot/node/core/av-store/Cargo.toml b/polkadot/node/core/av-store/Cargo.toml
index ad5abe5a09..1880b5b80f 100644
--- a/polkadot/node/core/av-store/Cargo.toml
+++ b/polkadot/node/core/av-store/Cargo.toml
@@ -22,7 +22,7 @@ polkadot-node-primitives = { path = "../../primitives" }
 
 [dev-dependencies]
 log = "0.4.13"
-env_logger = "0.8.2"
+env_logger = "0.8.4"
 assert_matches = "1.4.0"
 kvdb-memorydb = "0.9.0"
 
diff --git a/polkadot/node/network/approval-distribution/Cargo.toml b/polkadot/node/network/approval-distribution/Cargo.toml
index 98ef61afc4..fc730de427 100644
--- a/polkadot/node/network/approval-distribution/Cargo.toml
+++ b/polkadot/node/network/approval-distribution/Cargo.toml
@@ -23,5 +23,5 @@ polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
 assert_matches = "1.4.0"
 schnorrkel = { version = "0.9.1", default-features = false }
 rand_core = "0.5.1" # should match schnorrkel
-env_logger = "0.8.2"
+env_logger = "0.8.4"
 log = "0.4.13"
diff --git a/polkadot/node/network/availability-recovery/Cargo.toml b/polkadot/node/network/availability-recovery/Cargo.toml
index 58d5d02912..c88b9fd98c 100644
--- a/polkadot/node/network/availability-recovery/Cargo.toml
+++ b/polkadot/node/network/availability-recovery/Cargo.toml
@@ -21,7 +21,7 @@ parity-scale-codec = { version = "2.0.0", default-features = false, features = [
 
 [dev-dependencies]
 assert_matches = "1.4.0"
-env_logger = "0.8.1"
+env_logger = "0.8.4"
 futures-timer = "3.0.2"
 log = "0.4.11"
 smallvec = "1.5.1"
diff --git a/polkadot/node/network/bitfield-distribution/Cargo.toml b/polkadot/node/network/bitfield-distribution/Cargo.toml
index 0ba20e47a7..35cb91acc8 100644
--- a/polkadot/node/network/bitfield-distribution/Cargo.toml
+++ b/polkadot/node/network/bitfield-distribution/Cargo.toml
@@ -20,5 +20,5 @@ sp-application-crypto = { git = "https://github.com/paritytech/substrate", branc
 sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
 maplit = "1.0.2"
 log = "0.4.13"
-env_logger = "0.8.2"
+env_logger = "0.8.4"
 assert_matches = "1.4.0"
diff --git a/polkadot/node/network/collator-protocol/Cargo.toml b/polkadot/node/network/collator-protocol/Cargo.toml
index df291bf192..971e4903f2 100644
--- a/polkadot/node/network/collator-protocol/Cargo.toml
+++ b/polkadot/node/network/collator-protocol/Cargo.toml
@@ -23,7 +23,7 @@ polkadot-subsystem = { package = "polkadot-node-subsystem", path = "../../subsys
 
 [dev-dependencies]
 log = "0.4.13"
-env_logger = "0.8.2"
+env_logger = "0.8.4"
 assert_matches = "1.4.0"
 
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", features = ["std"] }
diff --git a/polkadot/node/service/Cargo.toml b/polkadot/node/service/Cargo.toml
index 29ba03c532..af1c9c34f9 100644
--- a/polkadot/node/service/Cargo.toml
+++ b/polkadot/node/service/Cargo.toml
@@ -107,7 +107,7 @@ polkadot-node-core-approval-voting = { path = "../core/approval-voting", optiona
 
 [dev-dependencies]
 polkadot-test-client = { path = "../test/client" }
-env_logger = "0.8.2"
+env_logger = "0.8.4"
 
 [features]
 default = ["db", "full-node"]
diff --git a/polkadot/node/subsystem-util/Cargo.toml b/polkadot/node/subsystem-util/Cargo.toml
index a7f20bdfd9..205e71173b 100644
--- a/polkadot/node/subsystem-util/Cargo.toml
+++ b/polkadot/node/subsystem-util/Cargo.toml
@@ -35,7 +35,7 @@ substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate
 [dev-dependencies]
 assert_matches = "1.4.0"
 async-trait = "0.1.42"
-env_logger = "0.8.2"
+env_logger = "0.8.4"
 futures = { version = "0.3.15", features = ["thread-pool"] }
 log = "0.4.13"
 parking_lot = "0.11.1"