diff --git a/pkgs/servers/sql/postgresql/18.nix b/pkgs/servers/sql/postgresql/18.nix
new file mode 100644
index 000000000000..89d408e5a720
--- /dev/null
+++ b/pkgs/servers/sql/postgresql/18.nix
@@ -0,0 +1,11 @@
+import ./generic.nix {
+  version = "18beta1";
+  rev = "refs/tags/REL_18_BETA1";
+  hash = "sha256-P86bVYfPzkwK/rcvUInYZew/pKejk58/IcnDGx/BWno=";
+  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 348620c54360..f9ceda8e500a 100644
--- a/pkgs/servers/sql/postgresql/default.nix
+++ b/pkgs/servers/sql/postgresql/default.nix
@@ -14,6 +14,7 @@ let
     postgresql_15 = ./15.nix;
     postgresql_16 = ./16.nix;
     postgresql_17 = ./17.nix;
+    postgresql_18 = ./18.nix;
   };
 
   mkAttributes =
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 80a1ad392d14..9e952f100497 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10580,6 +10580,7 @@ with pkgs;
     postgresql_15
     postgresql_16
     postgresql_17
+    postgresql_18
     ;
 
   inherit (postgresqlJitVersions)
@@ -10588,6 +10589,7 @@ with pkgs;
     postgresql_15_jit
     postgresql_16_jit
     postgresql_17_jit
+    postgresql_18_jit
     ;
   postgresql = postgresql_17;
   postgresql_jit = postgresql_17_jit;
@@ -10597,6 +10599,7 @@ with pkgs;
   postgresql15Packages = recurseIntoAttrs postgresql_15.pkgs;
   postgresql16Packages = recurseIntoAttrs postgresql_16.pkgs;
   postgresql17Packages = recurseIntoAttrs postgresql_17.pkgs;
+  postgresql18Packages = recurseIntoAttrs postgresql_18.pkgs;
 
   postgres-websockets = haskellPackages.postgres-websockets.bin;
   postgrest = haskellPackages.postgrest.bin;