diff --git a/.gitmodules b/.gitmodules
index 185c88e..3ecde0e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -11,3 +11,6 @@
 	path = external/bitsery
 	url = https://github.com/fraillt/bitsery
 
+[submodule "external/duckdb"]
+	path = external/duckdb
+	url = https://github.com/duckdb/duckdb.git
diff --git a/external/duckdb b/external/duckdb
new file mode 160000
index 0000000..bfc1fc8
--- /dev/null
+++ b/external/duckdb
@@ -0,0 +1 @@
+Subproject commit bfc1fc8800aa17ee7bbc16f4f0eab5b58f2166a0