diff --git a/versions.json b/versions.json
index 129f2bcf..85b7f5f1 100644
--- a/versions.json
+++ b/versions.json
@@ -341,6 +341,7 @@
     "suitesparse": "4.2.1",
     "t4k_common": "0.1.1",
     "taglib": "1.7.2",
+    "tclap": "1.2.1",
     "teem": "1.11.0",
     "termcap": "1.3.1",
     "theora": "1.1.1",