diff --git a/ci/OWNERS b/ci/OWNERS
index 74309937538a..3ea1acac95ac 100644
--- a/ci/OWNERS
+++ b/ci/OWNERS
@@ -172,13 +172,13 @@ nixos/modules/installer/tools/nix-fallback-paths.nix  @NixOS/nix-team @raitobeza
 /pkgs/top-level/release-python.nix                      @natsukium
 
 # Haskell
-/doc/languages-frameworks/haskell.section.md  @sternenseemann @maralorn
-/maintainers/scripts/haskell                  @sternenseemann @maralorn
-/pkgs/development/compilers/ghc               @sternenseemann @maralorn
-/pkgs/development/haskell-modules             @sternenseemann @maralorn
-/pkgs/test/haskell                            @sternenseemann @maralorn
-/pkgs/top-level/release-haskell.nix           @sternenseemann @maralorn
-/pkgs/top-level/haskell-packages.nix          @sternenseemann @maralorn
+/doc/languages-frameworks/haskell.section.md  @sternenseemann @maralorn @wolfgangwalther
+/maintainers/scripts/haskell                  @sternenseemann @maralorn @wolfgangwalther
+/pkgs/development/compilers/ghc               @sternenseemann @maralorn @wolfgangwalther
+/pkgs/development/haskell-modules             @sternenseemann @maralorn @wolfgangwalther
+/pkgs/test/haskell                            @sternenseemann @maralorn @wolfgangwalther
+/pkgs/top-level/release-haskell.nix           @sternenseemann @maralorn @wolfgangwalther
+/pkgs/top-level/haskell-packages.nix          @sternenseemann @maralorn @wolfgangwalther
 
 # Perl
 /pkgs/development/interpreters/perl @stigtsp @zakame @marcusramberg
diff --git a/maintainers/team-list.nix b/maintainers/team-list.nix
index e589432b4963..c35493850e35 100644
--- a/maintainers/team-list.nix
+++ b/maintainers/team-list.nix
@@ -526,6 +526,7 @@ with lib.maintainers;
       cdepillabout
       maralorn
       sternenseemann
+      wolfgangwalther
     ];
     githubTeams = [ "haskell" ];
     scope = "Maintain Haskell packages and infrastructure.";