diff --git a/cabal.project b/cabal.project
index edfb808..e6fdbad 100644
--- a/cabal.project
+++ b/cabal.project
@@ -1,7 +1 @@
-source-repository-package
-  type: git
-  location: https://github.com/haskell-effectful/kvstore-effectful
-  tag: f014d4c47295d9638456c401ef59835ffd04c7da
-  subdir: kvstore-effectful
-
 packages: .
diff --git a/learn-effects.cabal b/learn-effects.cabal
index 71d59b5..5e6bee1 100644
--- a/learn-effects.cabal
+++ b/learn-effects.cabal
@@ -79,8 +79,8 @@ executable learn-effects
 
   -- Other library packages from which modules are imported.
   build-depends:
-    , base          ^>=4.16.4.0
-    , freer-simple
+    , base          >=4.17 && <5
+    , freer-simple  >=1.2
     , text
 
   -- Directories containing source files.