diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 5738115..28ecd5c 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -7,7 +7,7 @@ publish = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-afl = "0.14.1"
+afl = "0.15.4"
 arbitrary = { version = "1.3.0", features = ["derive"] }
 
 [dependencies.b4s]