diff --git a/bip0039/Cargo.toml b/bip0039/Cargo.toml
index 3b05ec0..479524e 100644
--- a/bip0039/Cargo.toml
+++ b/bip0039/Cargo.toml
@@ -67,7 +67,7 @@ spanish = []
 
 [dependencies]
 hmac = { version = "0.12", default-features = false }
-pbkdf2 = { version = "0.12", default-features = false }
+pbkdf2 = { version = "0.13", default-features = false }
 phf = { version = "0.13", default-features = false }
 rand = { version = "0.10", optional = true }
 sha2 = { version = "0.10", default-features = false }