diff --git a/bounded-qsem.cabal b/bounded-qsem.cabal
--- a/bounded-qsem.cabal
+++ b/bounded-qsem.cabal
@@ -3,7 +3,7 @@
 synopsis: Bounded quantity semaphores.
 description: Bounded quantity semaphores, meaning quantity semaphores that have an
              upper-bound in the number of units that can be available at any given time.
-version: 0.1.0.2
+version: 0.1.0.3
 cabal-version: 1.18
 build-type: Simple
 author: Daniel Casanueva (daniel.casanueva `at` proton.me)
@@ -18,4 +18,4 @@
   hs-source-dirs: src
   exposed-modules: Control.Concurrent.BQSem
   ghc-options: -Wall
-  build-depends: base >= 4.8 && < 4.20
+  build-depends: base >= 4.8 && < 4.21
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+## 0.1.0.3
+* base-20 support.
+
 ## 0.1.0.1
 * Description update.