diff --git a/hocon/Cargo.toml b/hocon/Cargo.toml
index 8decd465..de3cceca 100644
--- a/hocon/Cargo.toml
+++ b/hocon/Cargo.toml
@@ -24,7 +24,7 @@ anyhow = "1.0.75"
 ctor = "0.2.6"
 rand = "0.8.5"
 env_logger = "0.10.1"
-prop-check-rs = "0.0.420"
+prop-check-rs = "0.0.421"
 anyhow = "1.0.75"
 serial_test = "2.0.0"
 test-generator = "0.3"
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 3092af1f..d3b6e96f 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -20,7 +20,7 @@ regex = "1.10"
 [dev-dependencies]
 anyhow = "1.0.75"
 env_logger = "0.10.1"
-prop-check-rs = "0.0.420"
+prop-check-rs = "0.0.421"
 rust_decimal = "1.33.1"
 chrono = "0.4.31"
 pom = "3.3.0"
diff --git a/uri/Cargo.toml b/uri/Cargo.toml
index 33a30f79..ac5febee 100644
--- a/uri/Cargo.toml
+++ b/uri/Cargo.toml
@@ -19,6 +19,6 @@ log = "0.4.20"
 env_logger = "0.10.1"
 ctor = "0.2.6"
 rand = "0.8.5"
-prop-check-rs = "0.0.420"
+prop-check-rs = "0.0.421"
 anyhow = "1.0.75"
 http = "1.0"