diff --git a/CHANGES/+upload-memory.bugfix b/CHANGES/+upload-memory.bugfix
new file mode 100644
index 0000000000..2f2efaabe1
--- /dev/null
+++ b/CHANGES/+upload-memory.bugfix
@@ -0,0 +1 @@
+Don't read the entire package on package upload, just read the header.
diff --git a/pulp_rpm/app/shared_utils.py b/pulp_rpm/app/shared_utils.py
index f96c8dbf7e..6fcdca3367 100644
--- a/pulp_rpm/app/shared_utils.py
+++ b/pulp_rpm/app/shared_utils.py
@@ -78,7 +78,7 @@ def format_signing_keys(signatures):
 
 def extract_signing_keys(path):
     """Extract signing key fingerprints from an RPM file using rpm_rs."""
-    pkg = rpm_rs.Package.open(path)
+    pkg = rpm_rs.PackageMetadata.open(path)
     return format_signing_keys(pkg.signatures())