diff --git a/pkgs/servers/sql/postgresql/9.0.x.nix b/pkgs/servers/sql/postgresql/9.0.x.nix
index ef7e5d3797fe..4249b40c5c4a 100644
--- a/pkgs/servers/sql/postgresql/9.0.x.nix
+++ b/pkgs/servers/sql/postgresql/9.0.x.nix
@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
     sha256 = "19gq6axjhvlr5zlrzwnll1fbrvai4xh0nb1jki6gmmschl6v5m4l";
   };
 
+  outputs = [ "out" "doc" ];
+
   buildInputs = [ zlib readline openssl ];
 
   LC_ALL = "C";
diff --git a/pkgs/servers/sql/postgresql/9.1.x.nix b/pkgs/servers/sql/postgresql/9.1.x.nix
index 7616f92ca624..09f468b50bb5 100644
--- a/pkgs/servers/sql/postgresql/9.1.x.nix
+++ b/pkgs/servers/sql/postgresql/9.1.x.nix
@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
     sha256 = "1a44hmcvfaa8j169ladsibmvjakw6maaxqkzz1ab8139cqkda9i7";
   };
 
+  outputs = [ "out" "doc" ];
+
   buildInputs = [ zlib readline openssl ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/servers/sql/postgresql/9.2.x.nix b/pkgs/servers/sql/postgresql/9.2.x.nix
index 51a265da7854..6b0792f50cd3 100644
--- a/pkgs/servers/sql/postgresql/9.2.x.nix
+++ b/pkgs/servers/sql/postgresql/9.2.x.nix
@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
     sha256 = "0i3avdr8mnvn6ldkx0hc4jmclhisb2338hzs0j2m03wck8hddjsx";
   };
 
+  outputs = [ "out" "doc" ];
+
   buildInputs = [ zlib readline openssl ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/servers/sql/postgresql/9.3.x.nix b/pkgs/servers/sql/postgresql/9.3.x.nix
index 3e0b7d4a76ef..d45cdadf1e9f 100644
--- a/pkgs/servers/sql/postgresql/9.3.x.nix
+++ b/pkgs/servers/sql/postgresql/9.3.x.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
     sha256 = "0j85j69rf54cwz5yhrhk4ca22b82990j5sqb8cr1fl9843nd0fzp";
   };
 
+  outputs = [ "out" "doc" ];
+
   buildInputs = [ zlib readline openssl ]
                 ++ optionals (!stdenv.isDarwin) [ libossp_uuid ];
 
diff --git a/pkgs/servers/sql/postgresql/9.4.x.nix b/pkgs/servers/sql/postgresql/9.4.x.nix
index cdb689fc110b..d09a65282225 100644
--- a/pkgs/servers/sql/postgresql/9.4.x.nix
+++ b/pkgs/servers/sql/postgresql/9.4.x.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
     sha256 = "04q07g209y99xzjh88y52qpvz225rxwifv8nzp3bxzfni2bdk3jk";
   };
 
+  outputs = [ "out" "doc" ];
+
   buildInputs = [ zlib readline openssl ]
                 ++ optionals (!stdenv.isDarwin) [ libossp_uuid ];