diff --git a/e2ap/go.sum b/e2ap/go.sum
new file mode 100644
index 0000000..a6ddb1d
--- /dev/null
+++ b/e2ap/go.sum
@@ -0,0 +1,2 @@
+github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=