diff --git a/net-p2p/monero/monero-0.18.3.4-r1.ebuild b/net-p2p/monero/monero-0.18.3.4-r1.ebuild
index 77a3553ae3..5e7f03ee9c 100644
--- a/net-p2p/monero/monero-0.18.3.4-r1.ebuild
+++ b/net-p2p/monero/monero-0.18.3.4-r1.ebuild
@@ -43,7 +43,9 @@ DEPEND="
 	)
 "
 RDEPEND="${DEPEND}"
-BDEPEND="virtual/pkgconfig"
+BDEPEND="virtual/pkgconfig
+	<dev-build/cmake-4
+"
 
 PATCHES=(
 	"${FILESDIR}/${PN}-0.18.3.3-unbundle-dependencies.patch"
diff --git a/net-p2p/monero/monero-0.18.4.0-r3.ebuild b/net-p2p/monero/monero-0.18.4.0-r3.ebuild
index f0e7e6f438..25fdf1b037 100644
--- a/net-p2p/monero/monero-0.18.4.0-r3.ebuild
+++ b/net-p2p/monero/monero-0.18.4.0-r3.ebuild
@@ -45,7 +45,9 @@ DEPEND="
 	)
 "
 RDEPEND="${DEPEND}"
-BDEPEND="virtual/pkgconfig"
+BDEPEND="virtual/pkgconfig
+	<dev-build/cmake-4
+"
 
 PATCHES=(
 	"${FILESDIR}/${PN}-0.18.4.0-unbundle-dependencies.patch"