diff --git a/crond/Cargo.toml b/crond/Cargo.toml
index 9a37c3c3..2ecab450 100644
--- a/crond/Cargo.toml
+++ b/crond/Cargo.toml
@@ -18,5 +18,5 @@ chrono = "0.4.31"
 anyhow = "1.0.75"
 
 [dev-dependencies]
-env_logger = "0.10.0"
+env_logger = "0.10.1"
 ctor = "0.2.5"
diff --git a/hocon/Cargo.toml b/hocon/Cargo.toml
index 964895ef..a7020aa3 100644
--- a/hocon/Cargo.toml
+++ b/hocon/Cargo.toml
@@ -23,7 +23,7 @@ anyhow = "1.0.75"
 [dev-dependencies]
 ctor = "0.2.5"
 rand = "0.8.5"
-env_logger = "0.10.0"
+env_logger = "0.10.1"
 prop-check-rs = "0.0.389"
 anyhow = "1.0.75"
 serial_test = "2.0.0"
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 2eeca42c..fa0f47a2 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -19,7 +19,7 @@ regex = "1.10"
 
 [dev-dependencies]
 anyhow = "1.0.75"
-env_logger = "0.10.0"
+env_logger = "0.10.1"
 prop-check-rs = "0.0.389"
 rust_decimal = "1.32.0"
 chrono = "0.4.31"
diff --git a/toys/Cargo.toml b/toys/Cargo.toml
index db3d3547..16cd7368 100644
--- a/toys/Cargo.toml
+++ b/toys/Cargo.toml
@@ -15,5 +15,5 @@ repository = "https://github.com/j5ik2o/oni-comb-rs"
 oni-comb-parser-rs = { version = "0.0.*", path = "../parser" }
 
 [dev-dependencies]
-env_logger = "0.10.0"
+env_logger = "0.10.1"
 ctor = "0.2.5"
\ No newline at end of file
diff --git a/uri/Cargo.toml b/uri/Cargo.toml
index 98f019f1..9f3cbd1a 100644
--- a/uri/Cargo.toml
+++ b/uri/Cargo.toml
@@ -16,7 +16,7 @@ oni-comb-parser-rs = { version = "0.0.*", path = "../parser" }
 
 [dev-dependencies]
 log = "0.4.20"
-env_logger = "0.10.0"
+env_logger = "0.10.1"
 ctor = "0.2.5"
 rand = "0.8.5"
 prop-check-rs = "0.0.389"