diff --git a/hosts/build03/postgresql.nix b/hosts/build03/postgresql.nix
index e92c9f03a..3cbf660ef 100644
--- a/hosts/build03/postgresql.nix
+++ b/hosts/build03/postgresql.nix
@@ -37,7 +37,7 @@
 
   services.postgresql = {
     enable = true;
-    package = pkgs.postgresql_17;
+    package = pkgs.postgresql_18;
 
     enableJIT = true;
 
diff --git a/hosts/web02/postgresql.nix b/hosts/web02/postgresql.nix
index 0ce232fc9..dd39f3553 100644
--- a/hosts/web02/postgresql.nix
+++ b/hosts/web02/postgresql.nix
@@ -26,6 +26,6 @@
 
   services.postgresql = {
     enable = true;
-    package = pkgs.postgresql_17;
+    package = pkgs.postgresql_18;
   };
 }