diff --git a/Cargo.toml b/Cargo.toml
index 17884dc4e..f10303837 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,10 +25,10 @@ defmt = { version = "0.3", optional = true }
 rand_core = { version = "0.6.3", optional = true, default-features = false }
 
 [dev-dependencies]
-env_logger = "0.5"
+env_logger = "0.9"
 getopts = "0.2"
-rand = "0.3"
-url = "1.0"
+rand = "0.8"
+url = "2.0"
 
 [features]
 std = ["managed/std", "rand_core/std"]
diff --git a/examples/utils.rs b/examples/utils.rs
index f82dd9a08..dcee7b4a6 100644
--- a/examples/utils.rs
+++ b/examples/utils.rs
@@ -54,8 +54,8 @@ where
             }
         })
         .filter(None, LevelFilter::Trace)
-        .parse(filter)
-        .parse(&env::var("RUST_LOG").unwrap_or_else(|_| "".to_owned()))
+        .parse_filters(filter)
+        .parse_env("RUST_LOG")
         .init();
 }