diff --git a/.gitignore b/.gitignore
index b0a51f1..b215435 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
 *.db
 *.user
 build-*/
+subprojects/packagecache/
+subprojects/nlohmann_json*/
diff --git a/subprojects/nlohmann_json-3.9.1.wrap b/subprojects/nlohmann_json-3.9.1.wrap
new file mode 100644
index 0000000..75c5d34
--- /dev/null
+++ b/subprojects/nlohmann_json-3.9.1.wrap
@@ -0,0 +1,10 @@
+[wrap-file]
+directory = nlohmann_json-3.9.1
+lead_directory_missing = true
+
+source_url = https://github.com/nlohmann/json/releases/download/v3.9.1/include.zip
+source_filename = nlohmann_json-3.9.1.zip
+source_hash = 6bea5877b1541d353bd77bdfbdb2696333ae5ed8f9e8cc22df657192218cad91
+
+[provide]
+nlohmann_json = nlohmann_json_dep