diff --git a/elfo-core/Cargo.toml b/elfo-core/Cargo.toml
index 18536dc0..ea8433dc 100644
--- a/elfo-core/Cargo.toml
+++ b/elfo-core/Cargo.toml
@@ -57,7 +57,7 @@ elfo-utils = { version = "0.2.5", path = "../elfo-utils", features = ["test-util
 
 anyhow = "1.0.40"
 tokio = { version = "1", features = ["full"] }
-proptest = "1.2.0"
+proptest = "1.4.0"
 
 [package.metadata.docs.rs]
 all-features = true