diff --git a/dub.sdl b/dub.sdl
index ae2b27f..4fc6e63 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -6,8 +6,8 @@
 mainSourceFile "source/main.d"
 dependency "htmld" version="*"
 dependency "requests" version="*"
-dependency "vibe-d:web" version="*"
-dependency "sumtype" version="*"
+dependency "vibe-d:web" version="0.8.6"
+dependency "sumtype" version="0.9.4"
 dependency "pegged" version="*"
 
 libs "mrss"