diff --git a/apps/podcast/serializers_admin.py b/apps/podcast/serializers_admin.py
index cb76e23..4f9ca7b 100644
--- a/apps/podcast/serializers_admin.py
+++ b/apps/podcast/serializers_admin.py
@@ -40,7 +40,7 @@ class AbsoluteFileField(serializers.FileField):
 
 
 class AdminPodcastCategorySerializer(serializers.ModelSerializer):
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
 
     class Meta:
         model = PodcastCategory
@@ -57,7 +57,7 @@ class AdminPodcastCategorySerializer(serializers.ModelSerializer):
 
 
 class AdminPodcastCollectionSerializer(serializers.ModelSerializer):
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
 
     class Meta:
         model = PodcastCollection
@@ -76,7 +76,7 @@ class AdminPodcastCollectionSerializer(serializers.ModelSerializer):
 class AdminPodcastListSerializer(serializers.ModelSerializer):
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
     audio_file = AbsoluteFileField(required=False, allow_null=True)
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
     categories_detail = AdminPodcastCategorySerializer(source="categories", many=True, read_only=True)
     collections_detail = AdminPodcastCollectionSerializer(source="collections", many=True, read_only=True)
 
@@ -101,7 +101,7 @@ class AdminPodcastListSerializer(serializers.ModelSerializer):
 class AdminPodcastDetailSerializer(serializers.ModelSerializer):
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
     audio_file = AbsoluteFileField(required=False, allow_null=True)
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
     audio_time = serializers.TimeField(required=False)
     categories = serializers.PrimaryKeyRelatedField(queryset=PodcastCategory.objects.all(), many=True, required=False)
     collections = serializers.PrimaryKeyRelatedField(queryset=PodcastCollection.objects.all(), many=True, required=False)
@@ -217,7 +217,7 @@ class AdminPodcastPlaylistItemSerializer(serializers.ModelSerializer):
 
 class AdminPodcastPlaylistListSerializer(serializers.ModelSerializer):
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
     categories_detail = AdminPodcastCategorySerializer(source="categories", many=True, read_only=True)
     collections_detail = AdminPodcastCollectionSerializer(source="collections", many=True, read_only=True)
     items_count = serializers.SerializerMethodField()
@@ -250,7 +250,7 @@ class AdminPodcastPlaylistListSerializer(serializers.ModelSerializer):
 
 class AdminPodcastPlaylistDetailSerializer(serializers.ModelSerializer):
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
     categories = serializers.PrimaryKeyRelatedField(queryset=PodcastCategory.objects.all(), many=True, required=False)
     collections = serializers.PrimaryKeyRelatedField(queryset=PodcastCollection.objects.all(), many=True, required=False)
     categories_detail = AdminPodcastCategorySerializer(source="categories", many=True, read_only=True)
diff --git a/apps/video/serializers_admin.py b/apps/video/serializers_admin.py
index ffae08b..140257e 100644
--- a/apps/video/serializers_admin.py
+++ b/apps/video/serializers_admin.py
@@ -40,7 +40,7 @@ class AbsoluteFileField(serializers.FileField):
 
 
 class AdminVideoCategorySerializer(serializers.ModelSerializer):
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
 
     class Meta:
         model = VideoCategory
@@ -57,7 +57,7 @@ class AdminVideoCategorySerializer(serializers.ModelSerializer):
 
 
 class AdminVideoCollectionSerializer(serializers.ModelSerializer):
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
 
     class Meta:
         model = VideoCollection
@@ -76,7 +76,7 @@ class AdminVideoCollectionSerializer(serializers.ModelSerializer):
 class AdminVideoListSerializer(serializers.ModelSerializer):
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
     video_file = AbsoluteFileField(required=False, allow_null=True)
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
 
     class Meta:
         model = Video
@@ -101,7 +101,7 @@ class AdminVideoListSerializer(serializers.ModelSerializer):
 class AdminVideoDetailSerializer(serializers.ModelSerializer):
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
     video_file = AbsoluteFileField(required=False, allow_null=True)
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
     remove_thumbnail = serializers.BooleanField(write_only=True, required=False, default=False)
     remove_video_file = serializers.BooleanField(write_only=True, required=False, default=False)
 
@@ -216,7 +216,7 @@ class AdminVideoPlaylistItemSerializer(serializers.ModelSerializer):
 
 class AdminVideoPlaylistListSerializer(serializers.ModelSerializer):
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
     categories_detail = AdminVideoCategorySerializer(source="categories", many=True, read_only=True)
     collections_detail = AdminVideoCollectionSerializer(source="collections", many=True, read_only=True)
     items_count = serializers.SerializerMethodField()
@@ -249,7 +249,7 @@ class AdminVideoPlaylistListSerializer(serializers.ModelSerializer):
 
 class AdminVideoPlaylistDetailSerializer(serializers.ModelSerializer):
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
-    slug = serializers.SlugField(required=False, allow_blank=True, validators=[])
+    slug = serializers.CharField(required=False, allow_blank=True, allow_null=True)
     categories = serializers.PrimaryKeyRelatedField(queryset=VideoCategory.objects.all(), many=True, required=False)
     collections = serializers.PrimaryKeyRelatedField(queryset=VideoCollection.objects.all(), many=True, required=False)
     categories_detail = AdminVideoCategorySerializer(source="categories", many=True, read_only=True)