diff --git a/cabal-ghc901.project b/cabal-ghc901.project
index 78a0193df8..cd1f8b91f0 100644
--- a/cabal-ghc901.project
+++ b/cabal-ghc901.project
@@ -78,9 +78,8 @@ source-repository-package
 -- benchmark dependency
 source-repository-package
   type: git
-  location: https://github.com/berberman/operational
-  tag: 0e062895678f49fd673ae493371262cfb8c5ab56
--- https://github.com/HeinrichApfelmus/operational/pull/26
+  location: https://github.com/HeinrichApfelmus/operational
+  tag: 16e19aaf34e286f3d27b3988c61040823ec66537
 
 write-ghc-environment-files: never
 
diff --git a/configuration-ghc-901.nix b/configuration-ghc-901.nix
index 1a59bff132..943e9095dc 100644
--- a/configuration-ghc-901.nix
+++ b/configuration-ghc-901.nix
@@ -85,9 +85,9 @@ let
       ghc-lib-parser-ex = hself.ghc-lib-parser-ex_9_0_0_4;
 
       operational = hself.callCabal2nix "operational" (pkgs.fetchFromGitHub {
-        owner = "berberman";
+        owner = "HeinrichApfelmus";
         repo = "operational";
-        rev = "0e062895678f49fd673ae493371262cfb8c5ab56";
+        rev = "16e19aaf34e286f3d27b3988c61040823ec66537";
         sha256 = "P+aocEcqCN8klnW3IMrmIqq6ztBZJxk4sBp1ewN6YaA=";
       }) { };
 
diff --git a/stack-9.0.1.yaml b/stack-9.0.1.yaml
index df5aca2c33..7bcdbb169b 100644
--- a/stack-9.0.1.yaml
+++ b/stack-9.0.1.yaml
@@ -95,9 +95,8 @@ extra-deps:
 # https://github.com/diagrams/active/pull/36
 
 # benchmark dependency
-- github: berberman/operational
-  commit: 0e062895678f49fd673ae493371262cfb8c5ab56
-# https://github.com/HeinrichApfelmus/operational/pull/26
+- github: HeinrichApfelmus/operational
+  commit: 16e19aaf34e286f3d27b3988c61040823ec66537
 
 configure-options:
   ghcide: