diff --git a/dev-python/pybind11/pybind11-3.0.1.ebuild b/dev-python/pybind11/pybind11-3.0.1.ebuild
index 6ca9c86730ef2..66155d684e78c 100644
--- a/dev-python/pybind11/pybind11-3.0.1.ebuild
+++ b/dev-python/pybind11/pybind11-3.0.1.ebuild
@@ -26,7 +26,7 @@ SLOT="0"
 KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos"
 
 RDEPEND="
-	dev-cpp/eigen:3
+	dev-cpp/eigen:=
 "
 BDEPEND="
 	test? (
diff --git a/dev-python/pybind11/pybind11-3.0.4.ebuild b/dev-python/pybind11/pybind11-3.0.4.ebuild
index 7587295cf04b3..fcf047670297a 100644
--- a/dev-python/pybind11/pybind11-3.0.4.ebuild
+++ b/dev-python/pybind11/pybind11-3.0.4.ebuild
@@ -26,7 +26,7 @@ SLOT="0"
 KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos"
 
 RDEPEND="
-	dev-cpp/eigen:3
+	dev-cpp/eigen:=
 "
 BDEPEND="
 	test? (