diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index b52f6d39271..e0a32a8f4ad 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1168,11 +1168,13 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   regexCompat = self.regexCompat_0_71_0_1;
 
   regexPosix_0_72_0_3 = callPackage ../development/libraries/haskell/regex-posix/0.72.0.3.nix {};
-  regexPosix_0_94_1   = callPackage ../development/libraries/haskell/regex-posix/0.94.1.nix   {};
-  regexPosix_0_94_2   = callPackage ../development/libraries/haskell/regex-posix/0.94.2.nix   {};
-  regexPosix_0_94_4   = callPackage ../development/libraries/haskell/regex-posix/0.94.4.nix   {};
-  regexPosix_0_95_1   = callPackage ../development/libraries/haskell/regex-posix/0.95.1.nix   {};
-  regexPosix = self.regexPosix_0_72_0_3;
+  regexPosix_0_94_1 = callPackage ../development/libraries/haskell/regex-posix/0.94.1.nix {};
+  regexPosix_0_94_2 = callPackage ../development/libraries/haskell/regex-posix/0.94.2.nix {};
+  regexPosix_0_94_4 = callPackage ../development/libraries/haskell/regex-posix/0.94.4.nix {};
+  regexPosix_0_95_1 = callPackage ../development/libraries/haskell/regex-posix/0.95.1.nix {
+    regexBase = self.regexBase_0_93_2;
+  };
+  regexPosix = self.regexPosix_0_95_1;
 
   regexTDFA = callPackage ../development/libraries/haskell/regex-tdfa {};
   regexTdfa = self.regexTDFA;