diff --git a/perga.cabal b/perga.cabal
index b3bcf64..0055067 100644
--- a/perga.cabal
+++ b/perga.cabal
@@ -36,7 +36,7 @@ library perga-lib
                         Program
 
     hs-source-dirs:     lib
-    build-depends:      base ^>=4.19.1.0
+    build-depends:      base ^>=4.20.1.0
                       , relude
                       , filepath
                       , megaparsec
@@ -57,7 +57,7 @@ executable perga
     main-is:            Main.hs
     other-modules:      Repl
 
-    build-depends:      base ^>=4.19.1.0
+    build-depends:      base ^>=4.20.1.0
                       , relude
                       , directory
                       , filepath