diff --git a/Cargo.toml b/Cargo.toml
index 5e2d063..cf1d2b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -84,7 +84,7 @@ signal-hook = { version = "0.3.9", optional = true, default-features = false }
 is-terminal = { version = "0.4.9", optional = true }
 
 # units
-bytesize = { version = "1.0.1", optional = true }
+bytesize = { version = "2.0.1", optional = true }
 human_format = { version = "1.0.3", optional = true }
 
 [package.metadata.docs.rs]
diff --git a/src/unit/bytes.rs b/src/unit/bytes.rs
index a79f971..71371c4 100644
--- a/src/unit/bytes.rs
+++ b/src/unit/bytes.rs
@@ -8,7 +8,7 @@ pub struct Bytes;
 
 impl Bytes {
     fn format_bytes(w: &mut dyn fmt::Write, value: Step) -> fmt::Result {
-        let string = bytesize::to_string(value as u64, false);
+        let string = bytesize::ByteSize(value as u64).display().si().to_string();
         for token in string.split(' ') {
             w.write_str(token)?;
         }
diff --git a/tests/unit/mod.rs b/tests/unit/mod.rs
index 0032f3d..d22903f 100644
--- a/tests/unit/mod.rs
+++ b/tests/unit/mod.rs
@@ -60,12 +60,12 @@ mod dynamic {
                         None
                     )
                 ),
-                "1.0KB/10.0GB [0%]"
+                "1.0kB/10.0GB [0%]"
             );
         }
         #[test]
         fn just_value() {
-            assert_eq!(format!("{}", unit::dynamic(Bytes).display(5540, None, None)), "5.5KB");
+            assert_eq!(format!("{}", unit::dynamic(Bytes).display(5540, None, None)), "5.5kB");
         }
     }
 }