1 files changed, 1 insertions, 0 deletions

diff --git a/server/thermoprint-server.cabal b/server/thermoprint-server.cabal
index b948ce3..2eda3b5 100644
--- a/server/thermoprint-server.cabal
+++ b/server/thermoprint-server.cabal
@@ -47,6 +47,7 @@ library
                      , transformers >=0.3.0 && <1
                      , wai >=3.0.4 && <4
                      , warp >=3.1.9 && <4
+                     , mmorph >=1.0.5 && <2
   hs-source-dirs:      src
   default-language:    Haskell2010