diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 63b7d9c79ade..6ab43b67e414 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -399,6 +399,7 @@ self: super: {
   xsd = dontCheck super.xsd;
   zip-archive = dontCheck super.zip-archive;  # https://github.com/jgm/zip-archive/issues/57
 
+  random_1_2_0 = super.random_1_2_0.override ({ splitmix = self.splitmix_0_1_0_3; });
   # These test suites run for ages, even on a fast machine. This is nuts.
   Random123 = dontCheck super.Random123;
   systemd = dontCheck super.systemd;
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
index 82963663a891..000c7cf90c16 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
@@ -2695,6 +2695,7 @@ package-maintainers:
     - streaming-wai
   kiwi:
     - irc-core
+    - random_1_2_0
     - Unique
   psibi:
     - path-pieces