diff --git a/coordinator/startup.lua b/coordinator/startup.lua
index 9564160..bdb0a17 100644
--- a/coordinator/startup.lua
+++ b/coordinator/startup.lua
@@ -17,7 +17,7 @@ local config       = require("coordinator.config")
 local coordinator  = require("coordinator.coordinator")
 local renderer     = require("coordinator.renderer")
 
-local COORDINATOR_VERSION = "alpha-v0.6.14"
+local COORDINATOR_VERSION = "alpha-v0.6.15"
 
 local print = util.print
 local println = util.println
diff --git a/graphics/element.lua b/graphics/element.lua
index 33decff..d987a7a 100644
--- a/graphics/element.lua
+++ b/graphics/element.lua
@@ -178,6 +178,16 @@ function element.new(args)
     function protected.set_value(value)
     end
 
+    -- set minimum input value
+    ---@param min integer minimum allowed value
+    function protected.set_min(min)
+    end
+
+    -- set maximum input value
+    ---@param max integer maximum allowed value
+    function protected.set_max(max)
+    end
+
     -- enable the control
     function protected.enable()
     end
@@ -316,6 +326,18 @@ function element.new(args)
         protected.set_value(value)
     end
 
+    -- set minimum input value
+    ---@param min integer minimum allowed value
+    function public.set_min(min)
+        protected.set_min(min)
+    end
+
+    -- set maximum input value
+    ---@param max integer maximum allowed value
+    function public.set_max(max)
+        protected.set_max(max)
+    end
+
     -- enable the element
     function public.enable()
         protected.enabled = true
diff --git a/graphics/elements/controls/spinbox_numeric.lua b/graphics/elements/controls/spinbox_numeric.lua
index 10f74bd..3bce169 100644
--- a/graphics/elements/controls/spinbox_numeric.lua
+++ b/graphics/elements/controls/spinbox_numeric.lua
@@ -150,13 +150,17 @@ local function spinbox(args)
     -- set minimum input value
     ---@param min integer minimum allowed value
     function e.set_min(min)
-        if min >= 0 then args.min = min end
+        if min >= 0 then
+            args.min = min
+            show_num()
+        end
     end
 
     -- set maximum input value
     ---@param max integer maximum allowed value
     function e.set_max(max)
         args.max = max
+        show_num()
     end
 
     return e.get()