diff --git a/Project.toml b/Project.toml
index 325fb9f3eb..fc4516a722 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,7 +20,7 @@ BenchmarkTools = "0.4, 0.5, 0.6, 0.7, 1.0"
 CodecBzip2 = "~0.6, 0.7"
 CodecZlib = "~0.6, 0.7"
 JSON = "~0.21"
-JSONSchema = "0.3"
+JSONSchema = "1"
 MutableArithmetics = "0.2"
 OrderedCollections = "1"
 julia = "1"
diff --git a/test/FileFormats/MOF/MOF.jl b/test/FileFormats/MOF/MOF.jl
index 673eb399e6..0965a7eb29 100644
--- a/test/FileFormats/MOF/MOF.jl
+++ b/test/FileFormats/MOF/MOF.jl
@@ -21,7 +21,7 @@ function _validate(filename::String)
         MOI.FileFormats.AutomaticCompression(),
     ) do io
         object = JSON.parse(io)
-        ret = JSONSchema.validate(object, SCHEMA)
+        ret = JSONSchema.validate(SCHEMA, object)
         if ret !== nothing
             error(
                 "Unable to read file because it does not conform to the MOF " *