diff --git a/third_party/go/repositories.bzl b/third_party/go/repositories.bzl
index 5f6f8d9..12edfe1 100644
--- a/third_party/go/repositories.bzl
+++ b/third_party/go/repositories.bzl
@@ -1844,3 +1844,10 @@
         sum = "h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ=",
         version = "v1.1.1",
     )
+    go_repository(
+        name = "com_github_arran4_golang_ical",
+        importpath = "github.com/arran4/golang-ical",
+        sum = "h1:oOgavmDMGCnNtwZwNoXuK3jCcpF3I96Do9/5qPeSCr8=",
+        version = "v0.0.0-20210601225245-48fd351b08e7",
+    )
+