diff --git a/dub.sdl b/dub.sdl
index 91adf3f..5abd12e 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -8,7 +8,7 @@ targetType "library"
 libs "resolv" platform="linux"
 libs "ws2_32" "user32" platform="windows-dmd"
 
-dependency "taggedalgebraic" version="~>0.10.12"
+dependency "taggedalgebraic" version=">=0.10.12 <0.12.0-0"
 
 configuration "epoll" {
 	platforms "linux"