diff --git a/vty.cabal b/vty.cabal
index 31bb383..0ed8363 100644
--- a/vty.cabal
+++ b/vty.cabal
@@ -38,7 +38,7 @@ source-repository head
 
 library
   default-language:    Haskell2010
-  build-depends:       base >= 4.6 && < 5,
+  build-depends:       base >= 4.8 && < 5,
                        blaze-builder >= 0.3.3.2 && < 0.5,
                        bytestring,
                        containers,
@@ -125,7 +125,7 @@ executable vty-mode-demo
   ghc-options:         -threaded
 
   build-depends:       vty,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        containers,
                        microlens,
                        microlens-mtl,
@@ -140,7 +140,7 @@ executable vty-demo
   ghc-options:         -threaded
 
   build-depends:       vty,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        containers,
                        microlens,
                        microlens-mtl,
@@ -156,7 +156,7 @@ test-suite verify-attribute-ops
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -188,7 +188,7 @@ test-suite verify-using-mock-terminal
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -221,7 +221,7 @@ test-suite verify-terminal
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -254,7 +254,7 @@ test-suite verify-display-attributes
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -280,7 +280,7 @@ test-suite verify-empty-image-props
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -307,7 +307,7 @@ test-suite verify-eval-terminfo-caps
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        blaze-builder >= 0.3.3.2 && < 0.5,
                        bytestring,
                        containers,
@@ -337,7 +337,7 @@ test-suite verify-image-ops
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -365,7 +365,7 @@ test-suite verify-image-trans
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -392,7 +392,7 @@ test-suite verify-inline
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -420,7 +420,7 @@ test-suite verify-parse-terminfo-caps
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -452,7 +452,7 @@ test-suite verify-simple-span-generation
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -484,7 +484,7 @@ test-suite verify-crop-span-generation
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -516,7 +516,7 @@ test-suite verify-layers-span-generation
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -542,7 +542,7 @@ test-suite verify-utf8-width
                        Cabal >= 1.20,
                        QuickCheck >= 2.7,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -570,7 +570,7 @@ test-suite verify-using-mock-input
                        test-framework == 0.8.*,
                        test-framework-smallcheck == 0.2.*,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,
@@ -606,7 +606,7 @@ test-suite verify-config
                        test-framework-smallcheck == 0.2.*,
                        test-framework-hunit,
                        random >= 1.0 && < 1.2,
-                       base >= 4.6 && < 5,
+                       base >= 4.8 && < 5,
                        bytestring,
                        containers,
                        deepseq >= 1.1 && < 1.5,