diff --git a/Cargo.lock b/Cargo.lock
index fb8e50f..1ccae26 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -487,7 +487,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "ucg"
-version = "0.6.3"
+version = "0.6.4"
 dependencies = [
  "abortable_parser 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index fa9b4ab..19efb83 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 edition     = "2018"
 name        = "ucg"
-version     = "0.6.3"
+version     = "0.6.4"
 authors     = ["Jeremy Wall <jeremy@marzhillstudios.com>"]
 description = "A configuration generation grammar."
 repository  = "https://github.com/zaphar/ucg"