diff --git a/card-functionality/Cargo.toml b/card-functionality/Cargo.toml
index 005a6cc..65abc52 100644
--- a/card-functionality/Cargo.toml
+++ b/card-functionality/Cargo.toml
@@ -36,7 +36,7 @@ pcsc = "2.7"
 sequoia-openpgp = "1.3"
 anyhow = "1"
 thiserror = "1.0"
-env_logger = "0.8"
+env_logger = "0.9"
 log = "0.4"
 toml = "0.5"
 serde = "1.0"
diff --git a/openpgp-card-examples/Cargo.toml b/openpgp-card-examples/Cargo.toml
index 10126a8..b82b427 100644
--- a/openpgp-card-examples/Cargo.toml
+++ b/openpgp-card-examples/Cargo.toml
@@ -20,5 +20,4 @@ openpgp-card-sequoia = { path = "../openpgp-card-sequoia", version = "0.0.8" }
 chrono = "0.4"
 anyhow = "1"
 thiserror = "1"
-env_logger = "0.8"
 log = "0.4"
diff --git a/openpgp-card-sequoia/Cargo.toml b/openpgp-card-sequoia/Cargo.toml
index 610b3d7..7fb0086 100644
--- a/openpgp-card-sequoia/Cargo.toml
+++ b/openpgp-card-sequoia/Cargo.toml
@@ -20,5 +20,5 @@ openpgp-card-scdc = { path = "../scdc", version = "0.2" }
 chrono = "0.4"
 anyhow = "1"
 thiserror = "1"
-env_logger = "0.8"
+env_logger = "0.9"
 log = "0.4"
\ No newline at end of file
diff --git a/openpgp-card/Cargo.toml b/openpgp-card/Cargo.toml
index e9dd3c3..de7efce 100644
--- a/openpgp-card/Cargo.toml
+++ b/openpgp-card/Cargo.toml
@@ -17,6 +17,5 @@ nom = "6"
 hex-literal = "0.3"
 hex-slice = "0.1"
 thiserror = "1"
-env_logger = "0.8"
 log = "0.4"
 chrono = "0.4"
diff --git a/tools/Cargo.toml b/tools/Cargo.toml
index cf12611..f8596ca 100644
--- a/tools/Cargo.toml
+++ b/tools/Cargo.toml
@@ -23,5 +23,5 @@ chrono = "0.4"
 anyhow = "1"
 thiserror = "1"
 clap = { version = "3.1", features = ["derive"] }
-env_logger = "0.8"
+env_logger = "0.9"
 log = "0.4"