diff --git a/Cargo.toml b/Cargo.toml
index d1614fb..80781b3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "fux_kdtree"
 version = "0.1.1"
 authors = ["fulara <ntszar@gmail.com>"]
 repository = "https://github.com/fulara/kdtree-rust"
-keywords = ["tree", "dimension" , "nearest", "search", "neighbor", "lookup"]
+keywords = ["tree", "dimension" , "nearest", "search", "neighbor"]
 readme = "README.md"
 license = "Unlicense"
 description = "K-dimensional tree implemented in Rust for fast NN querying."
@@ -18,6 +18,6 @@ name = "bench"
 harness = false
 
 [dev-dependencies]
-quickcheck = "0.3"
-rand = "*"
-bencher = "*"
+quickcheck = "~0.3"
+rand = "~0.3.12"
+bencher = "~0.1.2"