diff --git a/src/metrics.rs b/src/metrics.rs
index a95e6d8..4fe2841 100644
--- a/src/metrics.rs
+++ b/src/metrics.rs
@@ -35,6 +35,7 @@ pub fn export_metrics(
         let sbom: Sbom = serde_json::from_value(sbom)?;
         for entry in sbom.packages {
             let source = source.clone().into();
+            if entry.versionInfo.is_empty() { continue };
             syft_metrics
                 .get_or_create(&SbomLabels {
                     software: entry.name,
diff --git a/src/sbom.rs b/src/sbom.rs
index b3c1926..9fb3db4 100644
--- a/src/sbom.rs
+++ b/src/sbom.rs
@@ -18,6 +18,7 @@ use crate::config::{Config, Source};
 #[derive(Clone, Debug, Hash, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
 pub struct SbomEntry {
     pub name: String,
+    #[serde(default)]
     pub versionInfo: String,
 }