diff --git a/versions.json b/versions.json
index aed2bcaa..a73f7ce6 100644
--- a/versions.json
+++ b/versions.json
@@ -254,6 +254,7 @@
     "openssl": "1.0.2d",
     "opus": "1.1",
     "opusfile": "0.6",
+    "ossim": "1.8.18",
     "pango": "1.37.4",
     "pangomm": "2.34.0",
     "pcl": "1.7.2",