diff --git a/dsc/Cargo.toml b/dsc/Cargo.toml
index e1275d38..e04ad9c3 100644
--- a/dsc/Cargo.toml
+++ b/dsc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dsc"
-version = "3.0.0-alpha.6"
+version = "3.0.0-preview.7"
 edition = "2021"
 
 [profile.release]
diff --git a/dsc_lib/Cargo.toml b/dsc_lib/Cargo.toml
index 233fd8fa..2f7c225e 100644
--- a/dsc_lib/Cargo.toml
+++ b/dsc_lib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dsc_lib"
-version = "3.0.0-alpha.6"
+version = "3.0.0-preview.7"
 edition = "2021"
 
 [dependencies]
diff --git a/dsc_lib/src/configure/context.rs b/dsc_lib/src/configure/context.rs
index 7e3547ea..9198c99a 100644
--- a/dsc_lib/src/configure/context.rs
+++ b/dsc_lib/src/configure/context.rs
@@ -8,7 +8,7 @@ use super::config_doc::DataType;
 
 pub struct Context {
     pub parameters: HashMap<String, (Value, DataType)>,
-    pub _variables: HashMap<String, Value>,
+    _variables: HashMap<String, Value>,
     pub outputs: HashMap<String, Value>, // this is used by the `reference()` function to retrieve output
 }