diff --git a/DetectorSoftware/slsDetectorPackage/files/variants b/DetectorSoftware/slsDetectorPackage/files/variants
new file mode 100644
index 0000000..b20d8c7
--- /dev/null
+++ b/DetectorSoftware/slsDetectorPackage/files/variants
@@ -0,0 +1 @@
+slsDetectorPackage/6.1.1 unstable cmake/3.15.5 zeromq/4.3.4