diff --git a/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-3.31.9-r1.ebuild b/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-3.31.9-r1.ebuild
index 44bd5fb5c1..4cdfeefd54 100644
--- a/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-3.31.9-r1.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-3.31.9-r1.ebuild
@@ -72,7 +72,7 @@ RDEPEND="
 	>=dev-libs/jsoncpp-1.9.2-r2:0=
 	>=dev-libs/libuv-1.51.0-r1:=
 	>=net-misc/curl-7.21.5[ssl]
-	sys-libs/zlib
+	virtual/zlib:=
 	virtual/pkgconfig
 	dap? ( dev-cpp/cppdap )
 	gui? ( dev-qt/qtbase:6[gui,widgets] )
diff --git a/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-4.1.2-r1.ebuild b/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-4.1.2-r1.ebuild
index 2d3e74cd12..a1882e8826 100644
--- a/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-4.1.2-r1.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-4.1.2-r1.ebuild
@@ -76,7 +76,7 @@ RDEPEND="
 	>=dev-libs/jsoncpp-1.9.2-r2:0=
 	>=dev-libs/libuv-1.51.0-r1:=
 	>=net-misc/curl-7.21.5[ssl]
-	sys-libs/zlib
+	virtual/zlib:=
 	virtual/pkgconfig
 	dap? ( dev-cpp/cppdap )
 	gui? ( dev-qt/qtbase:6[gui,widgets] )
diff --git a/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-9999.ebuild b/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-9999.ebuild
index 9fa065278f..f33baf3549 100644
--- a/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-9999.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-build/cmake/cmake-9999.ebuild
@@ -76,7 +76,7 @@ RDEPEND="
 	>=dev-libs/jsoncpp-1.9.2-r2:0=
 	>=dev-libs/libuv-1.51.0-r1:=
 	>=net-misc/curl-7.21.5[ssl]
-	sys-libs/zlib
+	virtual/zlib:=
 	virtual/pkgconfig
 	dap? ( dev-cpp/cppdap )
 	gui? ( dev-qt/qtbase:6[gui,widgets] )