Update

Author: odow

.github/workflows/ci.yml

@@ -41,8 +41,6 @@ jobs:
           - version: '1.6'
             os: ubuntu-latest
             arch: x64
-          # We may need to make some changes because of
-          # https://github.com/JuliaIO/JSON.jl/issues/386
           - version: '1'
             os: ubuntu-latest
             arch: x86

docs/Project.toml

@@ -6,5 +6,5 @@ MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
 
 [compat]
 Documenter = "1"
-JSON = "0.21"
+JSON = "1"
 JSONSchema = "1"