diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..79936f2
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module git.zero-knowledge.org/gibheer/pki
+
+go 1.19
+
+require golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..6f85171
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa h1:zuSxTR4o9y82ebqCUJYNGJbGPo6sKVl54f/TVDObg1c=
+golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=