diff --git a/Cargo.toml b/Cargo.toml
index 448f72d86..f10303837 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,10 +17,10 @@ autoexamples = false
 
 [dependencies]
 managed = { version = "0.8", default-features = false, features = ["map"] }
-byteorder = { version = "1.4", default-features = false }
-log = { version = "0.4.14", default-features = false, optional = true }
-libc = { version = "0.2.115", optional = true }
-bitflags = { version = "1.3", default-features = false }
+byteorder = { version = "1.0", default-features = false }
+log = { version = "0.4.4", default-features = false, optional = true }
+libc = { version = "0.2.18", optional = true }
+bitflags = { version = "1.0", default-features = false }
 defmt = { version = "0.3", optional = true }
 rand_core = { version = "0.6.3", optional = true, default-features = false }
 
diff --git a/examples/utils.rs b/examples/utils.rs
index c9cc70c7a..dcee7b4a6 100644
--- a/examples/utils.rs
+++ b/examples/utils.rs
@@ -23,7 +23,7 @@ pub fn setup_logging_with_clock<F>(filter: &str, since_startup: F)
 where
     F: Fn() -> Instant + Send + Sync + 'static,
 {
-    Builder::from_default_env()
+    Builder::new()
         .format(move |buf, record| {
             let elapsed = since_startup();
             let timestamp = format!("[{}]", elapsed);
@@ -55,6 +55,7 @@ where
         })
         .filter(None, LevelFilter::Trace)
         .parse_filters(filter)
+        .parse_env("RUST_LOG")
         .init();
 }