diff --git a/meta-phosphor/classes/image_version.bbclass b/meta-phosphor/classes/image_version.bbclass
index e10bcd7..5462323 100644
--- a/meta-phosphor/classes/image_version.bbclass
+++ b/meta-phosphor/classes/image_version.bbclass
@@ -14,7 +14,7 @@
         with open(path, 'r') as fd:
             buf = '[root]\n' + fd.read()
             fd = io.StringIO(buf)
-            parser.readfp(fd)
+            parser.read_file(fd)
             value = parser['root'][key]
     except:
         pass