diff --git a/dev-python/scipy/scipy-1.6.2.ebuild b/dev-python/scipy/scipy-1.6.2.ebuild
index 0230181c4d6a3..2092f8ee820d2 100644
--- a/dev-python/scipy/scipy-1.6.2.ebuild
+++ b/dev-python/scipy/scipy-1.6.2.ebuild
@@ -34,7 +34,7 @@ RDEPEND="${DEPEND}
 	dev-python/pillow[${PYTHON_USEDEP}]"
 BDEPEND="
 	dev-lang/swig
-	>=dev-python/cython-0.29.13[${PYTHON_USEDEP}]
+	>=dev-python/cython-0.29.18[${PYTHON_USEDEP}]
 	dev-python/pybind11[${PYTHON_USEDEP}]
 	virtual/pkgconfig
 	doc? ( app-arch/unzip )
diff --git a/dev-python/scipy/scipy-1.6.3.ebuild b/dev-python/scipy/scipy-1.6.3.ebuild
index d7ffcd9b63e80..b9286e427ab14 100644
--- a/dev-python/scipy/scipy-1.6.3.ebuild
+++ b/dev-python/scipy/scipy-1.6.3.ebuild
@@ -34,7 +34,7 @@ RDEPEND="${DEPEND}
 	dev-python/pillow[${PYTHON_USEDEP}]"
 BDEPEND="
 	dev-lang/swig
-	>=dev-python/cython-0.29.13[${PYTHON_USEDEP}]
+	>=dev-python/cython-0.29.18[${PYTHON_USEDEP}]
 	dev-python/pybind11[${PYTHON_USEDEP}]
 	virtual/pkgconfig
 	doc? ( app-arch/unzip )
diff --git a/dev-python/scipy/scipy-1.7.1.ebuild b/dev-python/scipy/scipy-1.7.1.ebuild
index d4ada5b74484d..aa46f916dca3e 100644
--- a/dev-python/scipy/scipy-1.7.1.ebuild
+++ b/dev-python/scipy/scipy-1.7.1.ebuild
@@ -34,7 +34,7 @@ RDEPEND="${DEPEND}
 	dev-python/pillow[${PYTHON_USEDEP}]"
 BDEPEND="
 	dev-lang/swig
-	>=dev-python/cython-0.29.13[${PYTHON_USEDEP}]
+	>=dev-python/cython-0.29.18[${PYTHON_USEDEP}]
 	dev-python/pybind11[${PYTHON_USEDEP}]
 	dev-python/pythran[${PYTHON_USEDEP}]
 	virtual/pkgconfig