diff --git a/src/client/rest/RESTMethods.js b/src/client/rest/RESTMethods.js
index 393f4e2db..7b122897d 100644
--- a/src/client/rest/RESTMethods.js
+++ b/src/client/rest/RESTMethods.js
@@ -335,6 +335,7 @@ class RESTMethods {
     const data = {};
     data.name = (_data.name || channel.name).trim();
     data.topic = typeof _data.topic === 'undefined' ? channel.topic : _data.topic;
+    data.nsfw = typeof _data.nsfw === 'undefined' ? channel.nsfw : _data.nsfw;
     data.position = _data.position || channel.position;
     data.bitrate = _data.bitrate || (channel.bitrate ? channel.bitrate * 1000 : undefined);
     data.user_limit = typeof _data.userLimit !== 'undefined' ? _data.userLimit : channel.userLimit;
diff --git a/src/structures/GuildChannel.js b/src/structures/GuildChannel.js
index 6833a5b1c..b18e972e7 100644
--- a/src/structures/GuildChannel.js
+++ b/src/structures/GuildChannel.js
@@ -212,6 +212,7 @@ class GuildChannel extends Channel {
    * @property {string} [name] The name of the channel
    * @property {number} [position] The position of the channel
    * @property {string} [topic] The topic of the text channel
+   * @property {boolean} [nsfw] Whether the channel is NSFW
    * @property {number} [bitrate] The bitrate of the voice channel
    * @property {number} [userLimit] The user limit of the channel
    */
diff --git a/src/structures/TextChannel.js b/src/structures/TextChannel.js
index 0545d7bdf..dcaa3d97d 100644
--- a/src/structures/TextChannel.js
+++ b/src/structures/TextChannel.js
@@ -62,6 +62,16 @@ class TextChannel extends GuildChannel {
     return this.client.rest.methods.getChannelWebhooks(this);
   }
 
+  /**
+   * Sets whether this channel is flagged as NSFW.
+   * @param {boolean} nsfw Whether the channel should be considered NSFW
+   * @param {string} [reason] Reason for changing the channel's NSFW flag
+   * @returns {Promise<TextChannel>}
+   */
+  setNSFW(nsfw, reason) {
+    return this.edit({ nsfw }, reason);
+  }
+
   /**
    * Create a webhook for the channel.
    * @param {string} name The name of the webhook
@@ -85,26 +95,26 @@ class TextChannel extends GuildChannel {
 
   // These are here only for documentation purposes - they are implemented by TextBasedChannel
   /* eslint-disable no-empty-function */
-  send() {}
-  sendMessage() {}
-  sendEmbed() {}
-  sendFile() {}
-  sendFiles() {}
-  sendCode() {}
-  fetchMessage() {}
-  fetchMessages() {}
-  fetchPinnedMessages() {}
-  search() {}
-  startTyping() {}
-  stopTyping() {}
-  get typing() {}
-  get typingCount() {}
-  createCollector() {}
-  createMessageCollector() {}
-  awaitMessages() {}
-  bulkDelete() {}
-  acknowledge() {}
-  _cacheMessage() {}
+  send() { }
+  sendMessage() { }
+  sendEmbed() { }
+  sendFile() { }
+  sendFiles() { }
+  sendCode() { }
+  fetchMessage() { }
+  fetchMessages() { }
+  fetchPinnedMessages() { }
+  search() { }
+  startTyping() { }
+  stopTyping() { }
+  get typing() { }
+  get typingCount() { }
+  createCollector() { }
+  createMessageCollector() { }
+  awaitMessages() { }
+  bulkDelete() { }
+  acknowledge() { }
+  _cacheMessage() { }
 }
 
 TextBasedChannel.applyToClass(TextChannel, true);