diff --git a/Cargo.toml b/Cargo.toml
index 25148ad..9616294 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ name = "tests"
 [dependencies]
 libc = "^0.2"
 log  = "^0.3"
-bson = "^0.9"
+bson = "^0.10"
 
 [dependencies.mongoc-sys]
 path    = "mongoc-sys"