diff --git a/pkgs/servers/sql/postgresql/19.nix b/pkgs/servers/sql/postgresql/19.nix
new file mode 100644
index 000000000000..50862f58f4ab
--- /dev/null
+++ b/pkgs/servers/sql/postgresql/19.nix
@@ -0,0 +1,11 @@
+import ./generic.nix {
+  version = "19beta1";
+  rev = "refs/tags/REL_19_BETA1";
+  hash = "sha256-thvbttX8wwGLf5tMJRHl86Xv8OgINzahoqB/AzAdtMI=";
+  muslPatches = {
+    dont-use-locale-a = {
+      url = "https://git.alpinelinux.org/aports/plain/main/postgresql17/dont-use-locale-a-on-musl.patch?id=d69ead2c87230118ae7f72cef7d761e761e1f37e";
+      hash = "sha256-6zjz3OpMx4qTETdezwZxSJPPdOvhCNu9nXvAaU9SwH8=";
+    };
+  };
+}
diff --git a/pkgs/servers/sql/postgresql/default.nix b/pkgs/servers/sql/postgresql/default.nix
index 495f8b2625c0..355ae9bf7149 100644
--- a/pkgs/servers/sql/postgresql/default.nix
+++ b/pkgs/servers/sql/postgresql/default.nix
@@ -14,6 +14,7 @@ let
     postgresql_16 = ./16.nix;
     postgresql_17 = ./17.nix;
     postgresql_18 = ./18.nix;
+    postgresql_19 = ./19.nix;
   };
 
   mkAttributes =
diff --git a/pkgs/servers/sql/postgresql/generic.nix b/pkgs/servers/sql/postgresql/generic.nix
index 5b4b355c80f4..08c4b2f91959 100644
--- a/pkgs/servers/sql/postgresql/generic.nix
+++ b/pkgs/servers/sql/postgresql/generic.nix
@@ -375,7 +375,9 @@ let
         ++ lib.optionals tclSupport [ "--with-tcl" ]
         ++ lib.optionals selinuxSupport [ "--with-selinux" ]
         ++ lib.optionals nlsSupport [ "--enable-nls" ]
-        ++ lib.optionals bonjourSupport [ "--with-bonjour" ];
+        ++ lib.optionals bonjourSupport [ "--with-bonjour" ]
+        # Configure needs a little help to find `nm` when cross-compiling.
+        ++ lib.optionals (atLeast "19") [ "NM=${stdenv'.cc}/bin/${stdenv'.cc.targetPrefix}nm" ];
 
       patches = [
         (
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index dc70e4476e16..8d9e5f3d717f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7679,6 +7679,7 @@ with pkgs;
     postgresql_16
     postgresql_17
     postgresql_18
+    postgresql_19
     ;
 
   inherit (postgresqlJitVersions)
@@ -7687,6 +7688,7 @@ with pkgs;
     postgresql_16_jit
     postgresql_17_jit
     postgresql_18_jit
+    postgresql_19_jit
     ;
   postgresql = postgresql_17;
   postgresql_jit = postgresql_17_jit;
@@ -7696,6 +7698,7 @@ with pkgs;
   postgresql16Packages = recurseIntoAttrs postgresql_16.pkgs;
   postgresql17Packages = recurseIntoAttrs postgresql_17.pkgs;
   postgresql18Packages = recurseIntoAttrs postgresql_18.pkgs;
+  postgresql19Packages = recurseIntoAttrs postgresql_19.pkgs;
 
   postgres-websockets = haskellPackages.postgres-websockets.bin;
   postgrest = haskellPackages.postgrest.bin;