diff --git a/.gitmodules b/.gitmodules
index 493a0ad8f3..45ff650ef6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -31,3 +31,6 @@
 [submodule "cpr"]
     path = externals/cpr
     url = https://github.com/whoshuu/cpr.git
+[submodule "json"]
+    path = externals/json
+    url = https://github.com/nlohmann/json.git
diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index ce10bda5e8..11c5d8e7d9 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -34,6 +34,10 @@ add_subdirectory(glad)
 # inih
 add_subdirectory(inih)
 
+# JSON
+add_library(json-headers INTERFACE)
+target_include_directories(json-headers INTERFACE ./json/src)
+
 # MicroProfile
 add_library(microprofile INTERFACE)
 target_include_directories(microprofile INTERFACE ./microprofile)
diff --git a/externals/json b/externals/json
new file mode 160000
index 0000000000..d3496347fc
--- /dev/null
+++ b/externals/json
@@ -0,0 +1 @@
+Subproject commit d3496347fcd1382896fca3aaf78a0d803c2f52ec