diff --git a/web/data/versions.json b/web/data/versions.json
index 1095067e2dd6d20a4bbe47e235424a2e959e67ab..d364ab844ac7286ccea1dd4ab1c99b8d7e2b8169 100644
--- a/web/data/versions.json
+++ b/web/data/versions.json
@@ -13,7 +13,7 @@
     "cmake": "3.14",
     "hugo": "0.64.1",
     "boost": "1.66.0",
-    "eigen": "3.3.4",
+    "eigen": "3.3.9",
     "vtk": "8.1.2",
     "petsc": "3.11.2",
     "qt": "5.12.4",