diff --git a/sdk_container/src/third_party/portage-stable/dev-debug/gdb/gdb-16.3.ebuild b/sdk_container/src/third_party/portage-stable/dev-debug/gdb/gdb-16.3.ebuild
index e923bc1f4a..9700d39809 100644
--- a/sdk_container/src/third_party/portage-stable/dev-debug/gdb/gdb-16.3.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-debug/gdb/gdb-16.3.ebuild
@@ -94,7 +94,7 @@ RDEPEND="
 	dev-libs/gmp:=
 	>=sys-libs/ncurses-5.2-r2:=
 	>=sys-libs/readline-7:=
-	sys-libs/zlib
+	virtual/zlib:=
 	babeltrace? ( dev-util/babeltrace:0/1 )
 	debuginfod? (
 		dev-libs/elfutils[debuginfod(-)]
diff --git a/sdk_container/src/third_party/portage-stable/dev-debug/gdb/gdb-9999.ebuild b/sdk_container/src/third_party/portage-stable/dev-debug/gdb/gdb-9999.ebuild
index cc92cf033c..300c0fa005 100644
--- a/sdk_container/src/third_party/portage-stable/dev-debug/gdb/gdb-9999.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-debug/gdb/gdb-9999.ebuild
@@ -94,7 +94,7 @@ RDEPEND="
 	dev-libs/gmp:=
 	>=sys-libs/ncurses-5.2-r2:=
 	>=sys-libs/readline-7:=
-	sys-libs/zlib
+	virtual/zlib:=
 	babeltrace? ( dev-util/babeltrace:0/1 )
 	debuginfod? (
 		dev-libs/elfutils[debuginfod(-)]