diff --git a/dev-python/fitsio/fitsio-1.2.1.ebuild b/dev-python/fitsio/fitsio-1.2.1-r1.ebuild
similarity index 90%
rename from dev-python/fitsio/fitsio-1.2.1.ebuild
rename to dev-python/fitsio/fitsio-1.2.1-r1.ebuild
index 543a39335611c..95d01f95502b7 100644
--- a/dev-python/fitsio/fitsio-1.2.1.ebuild
+++ b/dev-python/fitsio/fitsio-1.2.1-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -24,6 +24,7 @@ SLOT="0"
 KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
 
 DEPEND="
+	<dev-python/numpy-2[${PYTHON_USEDEP}]
 	>=dev-python/numpy-1.11[${PYTHON_USEDEP}]
 	sci-libs/cfitsio:0=
 "