diff --git a/src/dependency_resolver.rs b/src/dependency_resolver.rs
index 383bdac1..24687f09 100644
--- a/src/dependency_resolver.rs
+++ b/src/dependency_resolver.rs
@@ -8,7 +8,19 @@ use tracing::{info, warn, debug};
 use serde::{Serialize, Deserialize};
 
 use crate::error::{AptOstreeError, AptOstreeResult};
-use crate::apt_ostree_integration::DebPackageMetadata;
+
+/// DEB package metadata for dependency resolution
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DebPackageMetadata {
+    pub name: String,
+    pub version: String,
+    pub architecture: String,
+    pub depends: Vec<String>,
+    pub conflicts: Vec<String>,
+    pub provides: Vec<String>,
+    pub breaks: Vec<String>,
+    pub replaces: Vec<String>,
+}
 
 /// Dependency relationship types
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
diff --git a/src/lib.rs b/src/lib.rs
index d81e91f5..b4015b28 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,9 @@
 
 pub mod apt_compat;
 pub mod error;
+pub mod dependency_resolver;
+pub mod ostree_integration;
 
 pub use apt_compat::AptManager;
-pub use error::{AptOstreeError, AptOstreeResult}; 
\ No newline at end of file
+pub use error::{AptOstreeError, AptOstreeResult}; 
+pub use dependency_resolver::{DependencyResolver, DependencyConstraint, DependencyRelation, DependencyGraph, ResolvedDependencies};