diff --git a/REQUIRE b/REQUIRE
index c274103..d07a4b6 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,4 +1,4 @@
 julia 0.7
-LightGraphs 0.8
-Optim 0.7
+LightGraphs 1.0
+Optim 0.16
 BinDeps 0.8