diff --git a/chaincfg/go.mod b/chaincfg/go.mod
new file mode 100644
index 00000000000..67f0cd41715
--- /dev/null
+++ b/chaincfg/go.mod
@@ -0,0 +1,12 @@
+module github.com/btcsuite/btcd/chaincfg
+
+require (
+	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1
+	github.com/btcsuite/btcd/wire v1.0.0
+	github.com/davecgh/go-spew v1.1.1
+)
+
+// TODO(guggero): Remove once we have a tagged version of the wire package.
+replace github.com/btcsuite/btcd/wire => ../wire
+
+go 1.17
diff --git a/chaincfg/go.sum b/chaincfg/go.sum
new file mode 100644
index 00000000000..65787cc4756
--- /dev/null
+++ b/chaincfg/go.sum
@@ -0,0 +1,4 @@
+github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
+github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=