diff --git a/gbs-downloader.cabal b/gbs-downloader.cabal
index 71d08e5765f5189c09c65c5dbe767441e86a9586..90a55edeef005711dcb8e7a4296f42b88f997f4c 100644
--- a/gbs-downloader.cabal
+++ b/gbs-downloader.cabal
@@ -1,4 +1,4 @@
-cabal-version:   3.0
+cabal-version:   2.4
 
 -- The cabal-version field refers to the version of the .cabal specification,
 -- and can be different from the cabal-install (the tool) version and the
@@ -88,7 +88,7 @@ library
   -- Other library packages from which modules are imported.
   build-depends:
     , aeson
-    , base                     ^>=4.14.3.0
+    , base
     , base32
     , base64
     , binary
@@ -130,7 +130,7 @@ executable gbs-download
   -- Other library packages from which modules are imported.
   build-depends:
     , aeson
-    , base            ^>=4.14.3.0
+    , base
     , bytestring
     , containers
     , gbs-downloader
@@ -168,7 +168,7 @@ test-suite gbs-downloader-test
 
   -- Test dependencies.
   build-depends:
-    , base            ^>=4.14.3.0
+    , base
     , base32
     , binary
     , bytestring