diff --git a/stratux-types.cabal b/stratux-types.cabal
--- a/stratux-types.cabal
+++ b/stratux-types.cabal
@@ -1,5 +1,5 @@
 name:               stratux-types
-version:            0.0.10
+version:            0.0.11
 license:            BSD3
 license-file:       LICENCE
 author:             Tony Morris <ʇǝu˙sıɹɹoɯʇ@ןןǝʞsɐɥ>
@@ -25,7 +25,7 @@
   build-depends:
                       base >= 4 && < 6
                     , lens >= 4.0 && < 5.0       
-                    , aeson >= 1.0
+                    , aeson >= 1.0 && < 1.5
                     , time >= 1.4 && < 2.0
                     , bytestring >= 0.10 && < 1.0     
                     , scientific >= 0.3 && < 1.0