@@ -28,7 +28,7 @@ executable vty-interactive-terminal-test
2828 ghc-options: -threaded
2929
3030 build-depends: vty >= 5.2.11,
31− base,
31+ base >= 4 && < 5,
3232 bytestring,
3333 containers,
3434 data-default,
@@ -53,7 +53,7 @@ executable vty-event-echo
5353 ghc-options: -threaded
5454
5555 build-depends: vty >= 5.2.11,
56− base,
56+ base >= 4 && < 5,
5757 array,
5858 bytestring,
5959 containers,
@@ -73,7 +73,7 @@ executable vty-rogue
7373 ghc-options: -threaded
7474
7575 build-depends: vty >= 5.2.11,
76− base,
76+ base >= 4 && < 5,
7777 array,
7878 bytestring,
7979 containers,
@@ -94,7 +94,7 @@ executable vty-benchmark
9494 ghc-options: -threaded
9595
9696 build-depends: vty >= 5.2.11,
97− base,
97+ base >= 4 && < 5,
9898 bytestring,
9999 Cabal,
100100 containers,