diff --git a/source/dub/project.d b/source/dub/project.d
index 669d978..a16c808 100644
--- a/source/dub/project.d
+++ b/source/dub/project.d
@@ -262,6 +262,12 @@
 				dst.targetName = psettings.targetName;
 			}
 		}
+
+		// always add all version identifiers of all packages
+		foreach (pkg; this.getTopologicalPackageList(false, null, configs)) {
+			auto psettings = pkg.getBuildSettings(platform, configs[pkg.name]);
+			dst.addVersions(psettings.versions);
+		}
 	}