diff --git a/apis/fluentbit/v1alpha2/plugins/filter/lua_types.go b/apis/fluentbit/v1alpha2/plugins/filter/lua_types.go
index fa5b90eb6..257cff9dc 100644
--- a/apis/fluentbit/v1alpha2/plugins/filter/lua_types.go
+++ b/apis/fluentbit/v1alpha2/plugins/filter/lua_types.go
@@ -36,6 +36,9 @@ type Lua struct {
 	// If enabled, Lua script will be executed in protected mode.
 	// It prevents to crash when invalid Lua script is executed. Default is true.
 	ProtectedMode *bool `json:"protectedMode,omitempty"`
+	// If enabled, null will be converted to flb_null in Lua.
+	// This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+	EnableFlbNull *bool `json:"enable_flb_null,omitempty"`
 	// By default when the Lua script is invoked, the record timestamp is passed as a
 	// Floating number which might lead to loss precision when the data is converted back.
 	// If you desire timestamp precision enabling this option will pass the timestamp as
@@ -90,6 +93,10 @@ func (l *Lua) Params(_ plugins.SecretLoader) (*params.KVs, error) {
 		kvs.Insert("protected_mode", strconv.FormatBool(*l.ProtectedMode))
 	}
 
+	if l.EnableFlbNull != nil {
+		kvs.Insert("enable_flb_null", strconv.FormatBool(*l.EnableFlbNull))
+	}
+
 	if l.TimeAsTable {
 		kvs.Insert("time_as_table", "true")
 	}
diff --git a/apis/fluentbit/v1alpha2/plugins/filter/zz_generated.deepcopy.go b/apis/fluentbit/v1alpha2/plugins/filter/zz_generated.deepcopy.go
index 4eff2535d..bc138d563 100644
--- a/apis/fluentbit/v1alpha2/plugins/filter/zz_generated.deepcopy.go
+++ b/apis/fluentbit/v1alpha2/plugins/filter/zz_generated.deepcopy.go
@@ -355,6 +355,11 @@ func (in *Lua) DeepCopyInto(out *Lua) {
 		*out = new(bool)
 		**out = **in
 	}
+	if in.EnableFlbNull != nil {
+		in, out := &in.EnableFlbNull, &out.EnableFlbNull
+		*out = new(bool)
+		**out = **in
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Lua.
diff --git a/charts/fluent-bit-crds/Chart.yaml b/charts/fluent-bit-crds/Chart.yaml
index 4b964481f..bbf98c896 100644
--- a/charts/fluent-bit-crds/Chart.yaml
+++ b/charts/fluent-bit-crds/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: fluent-bit-crds
 description: A helm chart for Fluent-Bit custom resource definitions (CRDs) used by fluent-operator.
 type: application
-version: 0.2.0
+version: 0.2.1
 appVersion: v3.5.0
 keywords:
   - logging
diff --git a/charts/fluent-bit-crds/templates/fluentbit.fluent.io_clusterfilters.yaml b/charts/fluent-bit-crds/templates/fluentbit.fluent.io_clusterfilters.yaml
index 86606fd0d..fc55bbcfa 100644
--- a/charts/fluent-bit-crds/templates/fluentbit.fluent.io_clusterfilters.yaml
+++ b/charts/fluent-bit-crds/templates/fluentbit.fluent.io_clusterfilters.yaml
@@ -429,6 +429,11 @@ spec:
                           description: Inline LUA code instead of loading from a path
                             via script.
                           type: string
+                        enable_flb_null:
+                          description: |-
+                            If enabled, null will be converted to flb_null in Lua.
+                            This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+                          type: boolean
                         protectedMode:
                           description: |-
                             If enabled, Lua script will be executed in protected mode.
diff --git a/charts/fluent-bit-crds/templates/fluentbit.fluent.io_filters.yaml b/charts/fluent-bit-crds/templates/fluentbit.fluent.io_filters.yaml
index ee0484734..3419f9579 100644
--- a/charts/fluent-bit-crds/templates/fluentbit.fluent.io_filters.yaml
+++ b/charts/fluent-bit-crds/templates/fluentbit.fluent.io_filters.yaml
@@ -429,6 +429,11 @@ spec:
                           description: Inline LUA code instead of loading from a path
                             via script.
                           type: string
+                        enable_flb_null:
+                          description: |-
+                            If enabled, null will be converted to flb_null in Lua.
+                            This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+                          type: boolean
                         protectedMode:
                           description: |-
                             If enabled, Lua script will be executed in protected mode.
diff --git a/config/crd/bases/fluentbit.fluent.io_clusterfilters.yaml b/config/crd/bases/fluentbit.fluent.io_clusterfilters.yaml
index 191d0bb6f..594aafb6f 100644
--- a/config/crd/bases/fluentbit.fluent.io_clusterfilters.yaml
+++ b/config/crd/bases/fluentbit.fluent.io_clusterfilters.yaml
@@ -426,6 +426,11 @@ spec:
                           description: Inline LUA code instead of loading from a path
                             via script.
                           type: string
+                        enable_flb_null:
+                          description: |-
+                            If enabled, null will be converted to flb_null in Lua.
+                            This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+                          type: boolean
                         protectedMode:
                           description: |-
                             If enabled, Lua script will be executed in protected mode.
diff --git a/config/crd/bases/fluentbit.fluent.io_filters.yaml b/config/crd/bases/fluentbit.fluent.io_filters.yaml
index 2d3f2a111..e68271580 100644
--- a/config/crd/bases/fluentbit.fluent.io_filters.yaml
+++ b/config/crd/bases/fluentbit.fluent.io_filters.yaml
@@ -426,6 +426,11 @@ spec:
                           description: Inline LUA code instead of loading from a path
                             via script.
                           type: string
+                        enable_flb_null:
+                          description: |-
+                            If enabled, null will be converted to flb_null in Lua.
+                            This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+                          type: boolean
                         protectedMode:
                           description: |-
                             If enabled, Lua script will be executed in protected mode.
diff --git a/manifests/setup/fluent-operator-crd.yaml b/manifests/setup/fluent-operator-crd.yaml
index 86eb5ae94..82043d2e1 100644
--- a/manifests/setup/fluent-operator-crd.yaml
+++ b/manifests/setup/fluent-operator-crd.yaml
@@ -425,6 +425,11 @@ spec:
                           description: Inline LUA code instead of loading from a path
                             via script.
                           type: string
+                        enable_flb_null:
+                          description: |-
+                            If enabled, null will be converted to flb_null in Lua.
+                            This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+                          type: boolean
                         protectedMode:
                           description: |-
                             If enabled, Lua script will be executed in protected mode.
@@ -15389,6 +15394,11 @@ spec:
                           description: Inline LUA code instead of loading from a path
                             via script.
                           type: string
+                        enable_flb_null:
+                          description: |-
+                            If enabled, null will be converted to flb_null in Lua.
+                            This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+                          type: boolean
                         protectedMode:
                           description: |-
                             If enabled, Lua script will be executed in protected mode.
diff --git a/manifests/setup/setup.yaml b/manifests/setup/setup.yaml
index 99fe14a04..b4ef87454 100644
--- a/manifests/setup/setup.yaml
+++ b/manifests/setup/setup.yaml
@@ -425,6 +425,11 @@ spec:
                           description: Inline LUA code instead of loading from a path
                             via script.
                           type: string
+                        enable_flb_null:
+                          description: |-
+                            If enabled, null will be converted to flb_null in Lua.
+                            This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+                          type: boolean
                         protectedMode:
                           description: |-
                             If enabled, Lua script will be executed in protected mode.
@@ -15389,6 +15394,11 @@ spec:
                           description: Inline LUA code instead of loading from a path
                             via script.
                           type: string
+                        enable_flb_null:
+                          description: |-
+                            If enabled, null will be converted to flb_null in Lua.
+                            This helps prevent removing key/value since nil is a special value to remove key/value from map in Lua. Default value: false.
+                          type: boolean
                         protectedMode:
                           description: |-
                             If enabled, Lua script will be executed in protected mode.