diff --git a/Cargo.lock b/Cargo.lock
index b8e9fb3..b0b27d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -82,7 +82,7 @@ checksum = "d301b3b94cb4b2f23d7917810addbbaff90738e0ca2be692bd027e70d7e0330c"
 
 [[package]]
 name = "archival"
-version = "0.5.1"
+version = "0.5.2"
 dependencies = [
  "base64 0.22.0",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 2e2eaf9..c8de504 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "archival"
-version = "0.5.1"
+version = "0.5.2"
 edition = "2021"
 license = "Unlicense"
 description = "The simplest CMS in existence"
diff --git a/src/lib.rs b/src/lib.rs
index 7a2dcf5..669858c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -52,7 +52,7 @@ pub use object_definition::ObjectDefinition;
 
 pub static ARCHIVAL_VERSION: &str = env!("CARGO_PKG_VERSION");
 
-const MIN_COMPAT_VERSION: &str = ">=0.5.0";
+const MIN_COMPAT_VERSION: &str = ">=0.4.0";
 pub(crate) fn check_compatibility(version_string: &str) -> (bool, String) {
     let req = VersionReq::parse(MIN_COMPAT_VERSION).unwrap();
     match Version::parse(version_string) {