diff --git a/src/packagedcode/nuget.py b/src/packagedcode/nuget.py
index d0d7e110f2f..888a3286bce 100644
--- a/src/packagedcode/nuget.py
+++ b/src/packagedcode/nuget.py
@@ -237,6 +237,10 @@ def parse(cls, location, package_only=False):
                     is_direct = True
                 elif package_type == "Transitive":
                     is_direct = False
+                elif package_type == "CentralTransitive":
+                    is_direct = False
+                elif package_type == "Project":
+                    is_direct = True
                 else:
                     raise Exception(f"Unknown package type: {package_type} for package {package_name} in {location}")
                     
diff --git a/tests/packagedcode/data/nuget/packages.lock.with_project_and_central_transitive.json b/tests/packagedcode/data/nuget/packages.lock.with_project_and_central_transitive.json
new file mode 100644
index 00000000000..ce8c59cddfe
--- /dev/null
+++ b/tests/packagedcode/data/nuget/packages.lock.with_project_and_central_transitive.json
@@ -0,0 +1,30 @@
+{
+    "version": 2,
+    "dependencies": {
+      "net8.0": {
+        "Example.Direct": {
+          "type": "Direct",
+          "requested": "[1.0.0, )",
+          "resolved": "1.0.0",
+          "contentHash": "abc123=="
+        },
+        "Example.Transitive": {
+          "type": "Transitive",
+          "resolved": "2.0.0",
+          "contentHash": "def456=="
+        },
+        "Example.CentralTransitive": {
+          "type": "CentralTransitive",
+          "requested": "[3.0.0, )",
+          "resolved": "3.0.0",
+          "contentHash": "ghi789=="
+        },
+        "example.project.reference": {
+          "type": "Project",
+          "dependencies": {
+            "Example.Direct": "[1.0.0, )"
+          }
+        }
+      }
+    }
+  }