diff --git a/.github/workflows/gap.yml b/.github/workflows/gap.yml
index 7406a37..9a466fe 100644
--- a/.github/workflows/gap.yml
+++ b/.github/workflows/gap.yml
@@ -18,6 +18,7 @@ jobs:
           - ubuntu
         gap-branch:
           - master
+          - stable-4.10
           - stable-4.11
           - stable-4.12
           - stable-4.13
diff --git a/PackageInfo.g b/PackageInfo.g
index cfb5046..3778c43 100644
--- a/PackageInfo.g
+++ b/PackageInfo.g
@@ -67,7 +67,7 @@ PackageDoc := rec(
 ),
 
 Dependencies := rec(
-  GAP := ">= 4.11.0",
+  GAP := ">= 4.10.0",
   NeededOtherPackages := [],
   SuggestedOtherPackages := [],
   ExternalConditions := [],
diff --git a/gap/dot.gi b/gap/dot.gi
index de12924..25544d8 100644
--- a/gap/dot.gi
+++ b/gap/dot.gi
@@ -1218,6 +1218,9 @@ graph -> StringFormatted("// {} context \n", GraphvizName(graph)));
 BindGlobal("GV_StringifyNodeName",
 function(node)
   local name, old;
+  if not IsBoundGlobal("Last") then
+    Last := x -> x[Length(x)];
+  fi;
 
   Assert(0, IsGVNode(node));
   name  := GraphvizName(node);