diff --git a/Cargo.lock b/Cargo.lock
index 54dd5dc..ad572ec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -32,7 +32,7 @@ dependencies = [
 
 [[package]]
 name = "opd-parser"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "nom",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index 875b95f..0f5fe83 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,11 @@ authors = [
 ]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/fslabs/opd_parser"
-publish = ["fsl"]
+# Cargo's own allowlist, checked before any upload. Omitting crates-io here is
+# what kept 0.6.0 off the public registry while fsl moved ahead: `cargo publish`
+# refuses with "the registry `crates-io` is not listed in the `package.publish`
+# value". "crates.io" is not a legal registry name to cargo and cannot be used.
+publish = ["fsl", "crates-io"]
 
 
 [dependencies]