diff --git a/lorax.spec b/lorax.spec
index d746fe8b..c842c114 100644
--- a/lorax.spec
+++ b/lorax.spec
@@ -46,7 +46,7 @@ Requires:       kpartx
 Requires:       libselinux-python3
 Requires:       python3-mako
 Requires:       python3-kickstart
-Requires:       python3-dnf >= 1.1.0
+Requires:       python3-dnf >= 1.1.7
 
 
 %if 0%{?fedora}
diff --git a/src/pylorax/__init__.py b/src/pylorax/__init__.py
index a30eba30..aafd0c95 100644
--- a/src/pylorax/__init__.py
+++ b/src/pylorax/__init__.py
@@ -62,7 +62,7 @@ class ArchData(DataHolder):
     def __init__(self, buildarch):
         super(ArchData, self).__init__()
         self.buildarch = buildarch
-        self.basearch = dnf.arch.basearch(buildarch)
+        self.basearch = dnf.rpm.basearch(buildarch)
         self.libdir = "lib64" if self.basearch in self.lib64_arches else "lib"
         self.bcj = self.bcj_arch.get(self.basearch)