diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 6cddf6285b24..5bb74fa2ce03 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -480,6 +480,9 @@ builtins.intersectAttrs super {
   hasql-pool = dontCheck super.hasql-pool;
   hasql-transaction = dontCheck super.hasql-transaction;
 
+  # Avoid compiling twice by providing executable as a separate output (with small closure size),
+  postgres-websockets = enableSeparateBinOutput super.postgres-websockets;
+
   # Test suite requires a running postgresql server,
   # avoid compiling twice by providing executable as a separate output (with small closure size),
   # generate shell completion
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 99c189b702a0..02311bc2f87c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12484,6 +12484,7 @@ with pkgs;
   postgresql16JitPackages = recurseIntoAttrs postgresql_16_jit.pkgs;
   postgresql17JitPackages = recurseIntoAttrs postgresql_17_jit.pkgs;
 
+  postgres-websockets = haskellPackages.postgres-websockets.bin;
   postgrest = haskellPackages.postgrest.bin;
 
   prom2json = callPackage ../servers/monitoring/prometheus/prom2json.nix { };