diff --git a/Cargo.toml b/Cargo.toml
index 568554d..f6d5fb8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ doc = true
 default = ["std", "runtime-rng"]
 
 # Enabling this will enable `AHashMap` and `AHashSet`.
-std = []
+std = ["serde/std"]
 
 # Runtime random key generation using getrandom.
 runtime-rng = ["getrandom"]
@@ -80,7 +80,7 @@ version_check = "0.9.4"
 
 [dependencies]
 const-random = { version = "0.1.17", optional = true }
-serde = { version = "1.0.117", optional = true }
+serde = { version = "1.0.117", default-features = false, optional = true }
 cfg-if = "1.0"
 portable-atomic = { version = "1.0.0", optional = true }
 getrandom = { version = "0.3.1", optional = true }