diff --git a/CHANGES.md b/CHANGES.md
index be66439..4c96263 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,10 @@
 This file describes changes in the smallgrp package.
 
+## Unreleased
+
+  - Suggest the package `SOTGrps`, which extends the Small Groups Library
+    by further orders
+
 ## 1.7.0 (2026-08-18)
 
   - Added `SmallGroupsAddLayer` as a clean interface for extending the
diff --git a/PackageInfo.g b/PackageInfo.g
index 7f5edb0..8d4274a 100644
--- a/PackageInfo.g
+++ b/PackageInfo.g
@@ -10,7 +10,7 @@ SetPackageInfo( rec(
 
 PackageName := "SmallGrp",
 Subtitle := "The GAP Small Groups Library",
-Version := "1.7.0",
+Version := "1.7.0dev",
 Date := "18/08/2026", # dd/mm/yyyy format
 License := "Artistic-2.0",
 
@@ -119,7 +119,7 @@ PackageDoc := rec(
 Dependencies := rec(
   GAP := ">= 4.12",
   NeededOtherPackages := [ ],
-  SuggestedOtherPackages := [ ],
+  SuggestedOtherPackages := [ [ "sotgrps", ">= 1.4" ] ],
   ExternalConditions := [ ],
 ),
 
diff --git a/tst/addlayer.tst b/tst/addlayer.tst
index a455e7a..7145d05 100644
--- a/tst/addlayer.tst
+++ b/tst/addlayer.tst
@@ -1,7 +1,16 @@
 gap> START_TEST("addlayer.tst");
 gap> saved := rec( layers := ShallowCopy( SMALL_GROUPS_LAYER_LIST ),
+>                  byName := ShallowCopy( SMALL_GROUPS_LAYERS ),
 >                  avail  := ShallowCopy( SMALL_AVAILABLE_FUNCS ) );;
 
+#
+# Other packages -- SOTGrps, say -- register layers of their own. Hide them
+# for this test, so that the stand-ins below are the only company the layer
+# of this library has.
+#
+gap> SMALL_GROUPS_LAYERS := rec( SmallGrp := SMALL_GROUPS_LAYERS.SmallGrp );;
+gap> SMALL_GROUPS_LAYER_LIST := [ SMALL_GROUPS_LAYERS.SmallGrp ];;
+
 #
 # The layers below are stand-ins. None of the orders they claim -- 2016,
 # 2025, 2040 -- has a layer in this library, and none of them hands out all
@@ -295,7 +304,7 @@ Error, <desc>.idAvailable is of no use without <desc>.id
 # put the library back as it was, so the stand-ins do not follow the rest of
 # the tests around
 #
-gap> SMALL_GROUPS_LAYERS := rec( SmallGrp := saved.layers[1] );;
+gap> SMALL_GROUPS_LAYERS := saved.byName;;
 gap> SMALL_GROUPS_LAYER_LIST := saved.layers;;
 gap> SMALL_AVAILABLE_FUNCS := saved.avail;;
 gap> List( [ 2016, 2025, 2040, 2052, 2064, 2072 ], SmallGroupsAvailable );
diff --git a/tst/small.tst b/tst/small.tst
index ef53352..2fe4e6e 100644
--- a/tst/small.tst
+++ b/tst/small.tst
@@ -2,6 +2,13 @@
 #
 gap> START_TEST("small.tst");
 
+#
+# What is available below is the coverage of this library, so hide the layers
+# other packages -- SOTGrps, say -- register.
+#
+gap> savedLayers := ShallowCopy( SMALL_GROUPS_LAYER_LIST );;
+gap> SMALL_GROUPS_LAYER_LIST := [ SMALL_GROUPS_LAYERS.SmallGrp ];;
+
 ################################################################################
 # SMALL_AVAILABLE
 ################################################################################
@@ -374,4 +381,5 @@ gap> FrattinifactorId(H);
 Error, FrattinifactorId: IdGroup for groups of size 512 not available
 
 #
+gap> SMALL_GROUPS_LAYER_LIST := savedLayers;;
 gap> STOP_TEST("small.tst");