--- dev-lang/moarvm/moarvm-2017.03.ebuild	2017-04-09 12:59:10.077591206 +0200
+++ dev-lang/moarvm/moarvm-2017.03-r1.ebuild	2017-04-25 10:39:52.464851987 +0200
@@ -24,7 +24,7 @@
 IUSE="asan clang debug doc +jit static-libs optimize ubsan"
 
 RDEPEND="dev-libs/libatomic_ops
-		dev-libs/libtommath
+		>=dev-libs/libtommath-1.0
 		dev-libs/libuv
 		jit? ( dev-lang/lua:0[deprecated]
 			dev-lua/LuaBitOp )