diff --git a/Cargo.toml b/Cargo.toml
index 4b3d8db..d8756d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,11 +9,11 @@ edition = "2018"
 [dependencies]
 serde = { version = "1.0.117", optional = true }
 serde_derive = { version = "1.0.117", optional = true }
-serde_json = "1.0"
+serde_json = { version = "1.0", optional = true }
 once_cell = "1.5.2"
 
 [features]
-with_serde = ["serde", "serde_derive"]
+with_serde = ["serde", "serde_derive", "serde_json"]
 
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3.9", features = ["winuser", "errhandlingapi"] }
diff --git a/src/lib.rs b/src/lib.rs
index 0fc176a..82a9139 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,7 +11,7 @@ pub mod keyboard;
 pub mod mouse;
 
 #[derive(Debug, Copy, Clone, PartialEq)]
-#[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "with_serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum EventType {
   KeyPress(Key),
   KeyRelease(Key),
@@ -21,7 +21,7 @@ pub enum EventType {
 }
 
 #[derive(Debug, Clone, PartialEq)]
-#[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "with_serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Event {
   pub time: SystemTime,
   pub event_type: EventType,