--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,10 +38,10 @@ name = "select"
 path = "src/lib.rs"
 
 [dependencies.bit-set]
-version = "0.5"
+version = "0.8"
 
 [dependencies.html5ever]
-version = "0.26"
+version = ">= 0.26, < 0.36"
 
 [dependencies.markup5ever_rcdom]
-version = "0.2"
+version = ">= 0.2, < 0.36"
