diff --git a/dev-cpp/frugally-deep/frugally-deep-0.15.30.ebuild b/dev-cpp/frugally-deep/frugally-deep-0.15.30.ebuild
index 10423b3cb2a82..e173746a95338 100644
--- a/dev-cpp/frugally-deep/frugally-deep-0.15.30.ebuild
+++ b/dev-cpp/frugally-deep/frugally-deep-0.15.30.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -15,7 +15,7 @@ KEYWORDS="~amd64"
 
 DEPEND="
 	dev-cpp/functional-plus
-	dev-cpp/eigen
+	dev-cpp/eigen:=
 	dev-cpp/nlohmann_json
 "