diff --git a/antiphoneclapper/antiphoneclapper.py b/antiphoneclapper/antiphoneclapper.py
index fcff47d..1a38d64 100644
--- a/antiphoneclapper/antiphoneclapper.py
+++ b/antiphoneclapper/antiphoneclapper.py
@@ -10,8 +10,10 @@ BaseCog = getattr(commands, "Cog", object)
 
 class AntiPhoneClapper(BaseCog):
     """This cog deletes bad GIFs that will crash phone clients."""
+
     def __init__(self, bot):
         self.bot = bot
+        self.session = aiohttp.ClientSession() 
         self.config = Config.get_conf(self, 2719371001, force_registration=True)
 
         default_guild = {"watching": []}
@@ -53,7 +55,9 @@ class AntiPhoneClapper(BaseCog):
         else:
             return await ctx.send("Channel is not being watched.")
         await self.config.guild(ctx.guild).watching.set(channel_list)
-        await ctx.send(f"{self.bot.get_channel(channel.id).mention} will not have bad gifs removed.")
+        await ctx.send(
+            f"{self.bot.get_channel(channel.id).mention} will not have bad gifs removed."
+        )
 
     def is_phone_clapper(self, im):
         limit = im.size
@@ -75,10 +79,10 @@ class AntiPhoneClapper(BaseCog):
             return
 
         for att in m.attachments:
-            if not att.filename.endswith('.gif') or att.size > 200000:
+            if not att.filename.endswith(".gif") or att.size > 200000:
                 continue
 
-            async with aiohttp.ClientSession().get(att.url) as resp:
+            async with self.session.get(att.url) as resp:
                 data = await resp.content.read()
                 f = BytesIO(data)
                 try:
@@ -90,11 +94,16 @@ class AntiPhoneClapper(BaseCog):
             if phone_clapper:
                 try:
                     await m.delete()
-                    await m.channel.send(f"{m.author.mention} just tried to send a phone-killing GIF and I removed it.")
+                    await m.channel.send(
+                        f"{m.author.mention} just tried to send a phone-killing GIF and I removed it."
+                    )
                     return
                 except discord.errors.Forbidden:
                     await m.channel.send(f"Don't send GIFs that do that, {m.author.mention}")
-                    print(f'Failed to delete message ({m.id}) that contained phone killing gif')
+                    print(f"Failed to delete message ({m.id}) that contained phone killing gif")
                     return
             else:
                 return
+
+    def __unload(self):
+        self.bot.loop.create_task(self.session.close())