diff --git a/om-time.cabal b/om-time.cabal
--- a/om-time.cabal
+++ b/om-time.cabal
@@ -1,6 +1,6 @@
 cabal-version:       3.0
 name:                om-time
-version:             0.3.0.3
+version:             0.3.0.4
 synopsis:            Misc. time utilites
 description:         A monad interface for obtain the current TimeSpec, along
                      with a few other utilities.
@@ -17,12 +17,12 @@
 
 common dependencies
   build-depends:
-    , aeson        >= 2.1.2.1  && < 2.2
-    , base         >= 4.17.0.0 && < 4.18
+    , aeson        >= 2.1.2.1  && < 2.3
+    , base         >= 4.15.1.0 && < 4.20
     , binary       >= 0.8.9.1  && < 0.9
     , clock        >= 0.8.3    && < 0.9
     , time         >= 1.12.2   && < 1.13
-    , transformers >= 0.5.6.2  && < 0.6
+    , transformers >= 0.5.6.2  && < 0.7
 
 common warnings
   ghc-options: