diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Revision history for HsShellScript
 
+## 3.6.3 -- 2024-03-31
+
+* Fixed Hackage version conflict of the base package. See the thread "Hackage: "Build: PlanningFailed"" in the
+  mailing list haskell-cafe.
+
+## 3.6.2 -- 2024-03-30
+
+* Haddock out-of-scope warnings.
+
 ## 3.6.1 -- 2024-03-30
 
 * Fixed a cabal dependency problem.
diff --git a/hsshellscript.cabal b/hsshellscript.cabal
--- a/hsshellscript.cabal
+++ b/hsshellscript.cabal
@@ -20,7 +20,7 @@
 -- PVP summary:     +-+------- breaking API changes
 --                  | | +----- non-breaking API additions
 --                  | | | +--- code changes with no API change
-version:            3.6.2
+version:            3.6.3
 
 -- A short (one-line) description of the package.
 synopsis:           Using Haskell for Unix shell scripting tasks
@@ -83,7 +83,7 @@
                       ScopedTypeVariables,
                       NamedFieldPuns,
                       StandaloneDeriving
-  Build-depends:      base >= 4.13.0 && < 4.14,
+  Build-depends:      base >= 4.13.0 && < 4.20,
                       directory >= 1.3.6 && < 1.4,
                       unix >= 2.7.2 && < 2.8,
                       parsec >= 3.1.14 && < 3.2,