diff --git a/internal/ingress/controller/template/template.go b/internal/ingress/controller/template/template.go
index 007487b7d..72d84cf27 100644
--- a/internal/ingress/controller/template/template.go
+++ b/internal/ingress/controller/template/template.go
@@ -133,36 +133,37 @@ var (
 			}
 			return true
 		},
-		"escapeLiteralDollar":        escapeLiteralDollar,
-		"shouldConfigureLuaRestyWAF": shouldConfigureLuaRestyWAF,
-		"buildLuaSharedDictionaries": buildLuaSharedDictionaries,
-		"buildLocation":              buildLocation,
-		"buildAuthLocation":          buildAuthLocation,
-		"shouldApplyGlobalAuth":      shouldApplyGlobalAuth,
-		"buildAuthResponseHeaders":   buildAuthResponseHeaders,
-		"buildProxyPass":             buildProxyPass,
-		"filterRateLimits":           filterRateLimits,
-		"buildRateLimitZones":        buildRateLimitZones,
-		"buildRateLimit":             buildRateLimit,
-		"configForLua":               configForLua,
-		"locationConfigForLua":       locationConfigForLua,
-		"buildResolvers":             buildResolvers,
-		"buildUpstreamName":          buildUpstreamName,
-		"isLocationInLocationList":   isLocationInLocationList,
-		"isLocationAllowed":          isLocationAllowed,
-		"buildLogFormatUpstream":     buildLogFormatUpstream,
-		"buildDenyVariable":          buildDenyVariable,
-		"getenv":                     os.Getenv,
-		"contains":                   strings.Contains,
-		"hasPrefix":                  strings.HasPrefix,
-		"hasSuffix":                  strings.HasSuffix,
-		"trimSpace":                  strings.TrimSpace,
-		"toUpper":                    strings.ToUpper,
-		"toLower":                    strings.ToLower,
-		"formatIP":                   formatIP,
-		"quote":                      quote,
-		"buildNextUpstream":          buildNextUpstream,
-		"getIngressInformation":      getIngressInformation,
+		"escapeLiteralDollar":             escapeLiteralDollar,
+		"shouldConfigureLuaRestyWAF":      shouldConfigureLuaRestyWAF,
+		"buildLuaSharedDictionaries":      buildLuaSharedDictionaries,
+		"luaConfigurationRequestBodySize": luaConfigurationRequestBodySize,
+		"buildLocation":                   buildLocation,
+		"buildAuthLocation":               buildAuthLocation,
+		"shouldApplyGlobalAuth":           shouldApplyGlobalAuth,
+		"buildAuthResponseHeaders":        buildAuthResponseHeaders,
+		"buildProxyPass":                  buildProxyPass,
+		"filterRateLimits":                filterRateLimits,
+		"buildRateLimitZones":             buildRateLimitZones,
+		"buildRateLimit":                  buildRateLimit,
+		"configForLua":                    configForLua,
+		"locationConfigForLua":            locationConfigForLua,
+		"buildResolvers":                  buildResolvers,
+		"buildUpstreamName":               buildUpstreamName,
+		"isLocationInLocationList":        isLocationInLocationList,
+		"isLocationAllowed":               isLocationAllowed,
+		"buildLogFormatUpstream":          buildLogFormatUpstream,
+		"buildDenyVariable":               buildDenyVariable,
+		"getenv":                          os.Getenv,
+		"contains":                        strings.Contains,
+		"hasPrefix":                       strings.HasPrefix,
+		"hasSuffix":                       strings.HasSuffix,
+		"trimSpace":                       strings.TrimSpace,
+		"toUpper":                         strings.ToUpper,
+		"toLower":                         strings.ToLower,
+		"formatIP":                        formatIP,
+		"quote":                           quote,
+		"buildNextUpstream":               buildNextUpstream,
+		"getIngressInformation":           getIngressInformation,
 		"serverConfig": func(all config.TemplateConfig, server *ingress.Server) interface{} {
 			return struct{ First, Second interface{} }{all, server}
 		},
@@ -272,6 +273,22 @@ func buildLuaSharedDictionaries(c interface{}, s interface{}, disableLuaRestyWAF
 	return strings.Join(out, ";\n") + ";\n"
 }
 
+func luaConfigurationRequestBodySize(c interface{}) string {
+	cfg, ok := c.(config.Configuration)
+	if !ok {
+		klog.Errorf("expected a 'config.Configuration' type but %T was returned", c)
+		return "100" // just a default number
+	}
+
+	size := cfg.LuaSharedDicts["configuration_data"]
+	if size < cfg.LuaSharedDicts["certificate_data"] {
+		size = cfg.LuaSharedDicts["certificate_data"]
+	}
+	size = size + 1
+
+	return fmt.Sprintf("%d", size)
+}
+
 // configForLua returns some general configuration as Lua table represented as string
 func configForLua(input interface{}) string {
 	all, ok := input.(config.TemplateConfig)
diff --git a/internal/ingress/controller/template/template_test.go b/internal/ingress/controller/template/template_test.go
index aa83bfd73..08e07d681 100644
--- a/internal/ingress/controller/template/template_test.go
+++ b/internal/ingress/controller/template/template_test.go
@@ -225,6 +225,19 @@ func TestBuildLuaSharedDictionaries(t *testing.T) {
 	}
 }
 
+func TestLuaConfigurationRequestBodySize(t *testing.T) {
+	cfg := config.Configuration{
+		LuaSharedDicts: map[string]int{
+			"configuration_data": 10, "certificate_data": 20,
+		},
+	}
+
+	size := luaConfigurationRequestBodySize(cfg)
+	if "21" != size {
+		t.Errorf("expected the size to be 20 but got: %v", size)
+	}
+}
+
 func TestFormatIP(t *testing.T) {
 	cases := map[string]struct {
 		Input, Output string
diff --git a/rootfs/etc/nginx/template/nginx.tmpl b/rootfs/etc/nginx/template/nginx.tmpl
index adc4e550c..172fdd9c6 100755
--- a/rootfs/etc/nginx/template/nginx.tmpl
+++ b/rootfs/etc/nginx/template/nginx.tmpl
@@ -580,9 +580,8 @@ http {
         }
 
         location /configuration {
-            # this should be equals to configuration_data dict
-            client_max_body_size                    10m;
-            client_body_buffer_size                 10m;
+            client_max_body_size                    {{ luaConfigurationRequestBodySize $cfg }}m;
+            client_body_buffer_size                 {{ luaConfigurationRequestBodySize $cfg }}m;
             proxy_buffering                         off;
 
             content_by_lua_block {