diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 84df4d1f0c4..54ac33260a3 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -41,7 +41,7 @@ self: super: {
 
   # cabal-install needs Cabal 2.x. hackage-security's test suite does not compile with
   # Cabal 2.x, though. See https://github.com/haskell/hackage-security/issues/188.
-  cabal-install = super.cabal-install.overrideScope (self: super: { Cabal = self.Cabal_2_0_1_0; });
+  cabal-install = super.cabal-install.overrideScope (self: super: { Cabal = self.Cabal_2_0_1_1; });
   hackage-security = dontCheck super.hackage-security;
 
   # Link statically to avoid runtime dependency on GHC.
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
index 51276ce8c89..1c141dfaf75 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
@@ -60,6 +60,6 @@ self: super: {
   apply-refact = super.apply-refact_0_3_0_1;
 
   # This builds needs the latest Cabal version.
-  cabal2nix = super.cabal2nix.overrideScope (self: super: { Cabal = self.Cabal_2_0_1_0; });
+  cabal2nix = super.cabal2nix.overrideScope (self: super: { Cabal = self.Cabal_2_0_1_1; });
 
 }