diff --git a/include/pgAdmin3.h b/include/pgAdmin3.h
index 305ad10..177f610 100644
--- a/include/pgAdmin3.h
+++ b/include/pgAdmin3.h
@@ -61,8 +61,8 @@ extern wxBitmapBundle GetBundleSVG(wxBitmap* std, wxString name, wxSize sz);
 // Supported server minimum and maximum values.
 const short SERVER_MIN_VERSION_N = 0x0804;
 const wxString SERVER_MIN_VERSION_T = wxT("8.4");
-const short SERVER_MAX_VERSION_N = 0x1200;
-const wxString SERVER_MAX_VERSION_T = wxT("18");
+const short SERVER_MAX_VERSION_N = 0x1400;
+const wxString SERVER_MAX_VERSION_T = wxT("20");
 // Supported Greenplum Database and Greenplum HAWQ minimum and maximum values.
 const short GP_MIN_VERSION_N = 0x0802;
 const wxString GP_MIN_VERSION_T = wxT("8.2");
diff --git a/include/version.h b/include/version.h
index ceb7844..e2ab9b3 100644
--- a/include/version.h
+++ b/include/version.h
@@ -18,7 +18,7 @@
 #define VERSION_NUM     1,22,0,0
 #define VERSION_PACKAGE 1.22.2
 #else
-#define VERSION_STR     wxT("1.26 Dev ASUTP support PG17")
+#define VERSION_STR     wxT("1.26 Dev ASUTP support PG18")
 #define VERSION_NUM     1,26,0,0
 #define VERSION_PACKAGE 1.26.0-dev