diff --git a/ekg.cabal b/ekg.cabal
index 9c8a74f..b62bf98 100644
--- a/ekg.cabal
+++ b/ekg.cabal
@@ -22,12 +22,11 @@ Library
 
   Other-modules:       Paths_ekg
 
-  Build-depends:       aeson < 0.5,
+  Build-depends:       aeson < 0.6,
                        base >= 4.5 && < 5,
                        bytestring < 1.0,
-                       filepath,
-                       text,
-                       snap-core,
-                       snap-server,
-                       transformers
+                       filepath < 1.4,
+                       snap-core < 0.8,
+                       snap-server < 0.8,
+                       transformers < 0.3
   Ghc-options:         -Wall