diff --git a/CHANGELOG.md b/CHANGELOG.md
index 339be5c..00db369 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
+# 2.2.2.0 (2025-09-15)
+* [#153](https://github.com/MercuryTechnologies/slack-web/pull/153)
+  Implement `channel_shared` and `channel_unshared` events.
+
 # 2.2.1.0 (2025-09-15)
-* [#151](https://github.com/MercuryTechnologies/slack-web/151)
+* [#151](https://github.com/MercuryTechnologies/slack-web/pull/151)
   Implement `conversations.member` API method.
 
 # 2.2.0.0 (2025-03-21)
diff --git a/slack-web.cabal b/slack-web.cabal
index cad602e..e32e344 100644
--- a/slack-web.cabal
+++ b/slack-web.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: slack-web
-version: 2.2.1.0
+version: 2.2.2.0
 
 build-type: Simple
 
diff --git a/src/Web/Slack/Experimental/Events/Types.hs b/src/Web/Slack/Experimental/Events/Types.hs
index 4be88de..47794f8 100644
--- a/src/Web/Slack/Experimental/Events/Types.hs
+++ b/src/Web/Slack/Experimental/Events/Types.hs
@@ -283,6 +283,31 @@ data ChannelLeftEvent = ChannelLeftEvent
 
 $(deriveFromJSON snakeCaseOptions ''ChannelLeftEvent)
 
+-- | A channel has been shared with an external workspace.
+--
+-- <https://docs.slack.dev/reference/events/channel_shared/>
+data ChannelSharedEvent = ChannelSharedEvent
+  { connectedTeamId :: TeamId
+  , channel :: ConversationId
+  , eventTs :: Text
+  }
+  deriving stock (Show)
+
+$(deriveFromJSON snakeCaseOptions ''ChannelSharedEvent)
+
+-- | A channel has been unshared with an external workspace.
+--
+-- <https://docs.slack.dev/reference/events/channel_unshared/>
+data ChannelUnsharedEvent = ChannelUnsharedEvent
+  { previouslyConnectedTeamId :: TeamId
+  , channel :: ConversationId
+  , isExtShared :: Bool
+  , eventTs :: Text
+  }
+  deriving stock (Show)
+
+$(deriveFromJSON snakeCaseOptions ''ChannelUnsharedEvent)
+
 -- | <https://api.slack.com/events/url_verification>
 data UrlVerificationPayload = UrlVerificationPayload
   { challenge :: Text
@@ -347,6 +372,8 @@ data Event
     EventChannelJoinMessage
   | EventChannelCreated ChannelCreatedEvent
   | EventChannelLeft ChannelLeftEvent
+  | EventChannelShared ChannelSharedEvent
+  | EventChannelUnshared ChannelUnsharedEvent
   | -- | @since 2.1.0.0
     EventAppHomeOpened AppHomeOpenedEvent
   | EventUnknown Value
@@ -366,6 +393,8 @@ instance FromJSON Event where
       ("message", Just "file_share") -> EventMessage <$> parseJSON @MessageEvent (Object obj)
       ("channel_created", Nothing) -> EventChannelCreated <$> parseJSON (Object obj)
       ("channel_left", Nothing) -> EventChannelLeft <$> parseJSON (Object obj)
+      ("channel_shared", Nothing) -> EventChannelShared <$> parseJSON (Object obj)
+      ("channel_unshared", Nothing) -> EventChannelUnshared <$> parseJSON (Object obj)
       ("app_home_opened", Nothing) -> EventAppHomeOpened <$> parseJSON (Object obj)
       _ -> pure $ EventUnknown (Object obj)
 
diff --git a/tests/Web/Slack/Experimental/Events/TypesSpec.hs b/tests/Web/Slack/Experimental/Events/TypesSpec.hs
index 45956ce..37e5dc1 100644
--- a/tests/Web/Slack/Experimental/Events/TypesSpec.hs
+++ b/tests/Web/Slack/Experimental/Events/TypesSpec.hs
@@ -22,6 +22,8 @@ spec = describe "Types for Slack events" do
         , "messageIm"
         , "slackbotIm"
         , "channel_left"
+        , "channel_shared"
+        , "channel_unshared"
         , "share_without_message"
         , "share_with_message"
         , "circleci"
diff --git a/tests/golden/SlackWebhookEvent/channel_shared.golden b/tests/golden/SlackWebhookEvent/channel_shared.golden
new file mode 100644
index 0000000..9cc04f0
--- /dev/null
+++ b/tests/golden/SlackWebhookEvent/channel_shared.golden
@@ -0,0 +1,21 @@
+EventEventCallback
+    ( EventCallback
+        { eventId = EventId
+            { unEventId = "Ev044RKJHB8W" }
+        , teamId = TeamId
+            { unTeamId = "T043DB835ML" }
+        , eventTime = MkSystemTime
+            { systemSeconds = 1664827321
+            , systemNanoseconds = 0
+            }
+        , event = EventChannelShared
+            ( ChannelSharedEvent
+                { connectedTeamId = TeamId
+                    { unTeamId = "E163Q94DX" }
+                , channel = ConversationId
+                    { unConversationId = "C123ABC456" }
+                , eventTs = "1561064063.001100"
+                }
+            )
+        }
+    )
diff --git a/tests/golden/SlackWebhookEvent/channel_shared.json b/tests/golden/SlackWebhookEvent/channel_shared.json
new file mode 100644
index 0000000..488b109
--- /dev/null
+++ b/tests/golden/SlackWebhookEvent/channel_shared.json
@@ -0,0 +1,24 @@
+{
+  "token": "aaaa",
+  "team_id": "T043DB835ML",
+  "api_app_id": "A0442TUPHGR",
+  "event": {
+    "type": "channel_shared",
+    "connected_team_id": "E163Q94DX",
+    "channel": "C123ABC456",
+    "event_ts": "1561064063.001100"
+  },
+  "type": "event_callback",
+  "event_id": "Ev044RKJHB8W",
+  "event_time": 1664827321,
+  "authorizations": [
+    {
+      "enterprise_id": null,
+      "team_id": "T043DB835ML",
+      "user_id": "U0442US8QGH",
+      "is_bot": false,
+      "is_enterprise_install": false
+    }
+  ],
+  "is_ext_shared_channel": true
+}
diff --git a/tests/golden/SlackWebhookEvent/channel_unshared.golden b/tests/golden/SlackWebhookEvent/channel_unshared.golden
new file mode 100644
index 0000000..78ac14c
--- /dev/null
+++ b/tests/golden/SlackWebhookEvent/channel_unshared.golden
@@ -0,0 +1,22 @@
+EventEventCallback
+    ( EventCallback
+        { eventId = EventId
+            { unEventId = "Ev044RKJHB8W" }
+        , teamId = TeamId
+            { unTeamId = "T043DB835ML" }
+        , eventTime = MkSystemTime
+            { systemSeconds = 1664827321
+            , systemNanoseconds = 0
+            }
+        , event = EventChannelUnshared
+            ( ChannelUnsharedEvent
+                { previouslyConnectedTeamId = TeamId
+                    { unTeamId = "E163Q94DX" }
+                , channel = ConversationId
+                    { unConversationId = "C123ABC456" }
+                , isExtShared = False
+                , eventTs = "1561064063.001100"
+                }
+            )
+        }
+    )
diff --git a/tests/golden/SlackWebhookEvent/channel_unshared.json b/tests/golden/SlackWebhookEvent/channel_unshared.json
new file mode 100644
index 0000000..c43e570
--- /dev/null
+++ b/tests/golden/SlackWebhookEvent/channel_unshared.json
@@ -0,0 +1,25 @@
+{
+  "token": "aaaa",
+  "team_id": "T043DB835ML",
+  "api_app_id": "A0442TUPHGR",
+  "event": {
+    "type": "channel_unshared",
+    "previously_connected_team_id": "E163Q94DX",
+    "channel": "C123ABC456",
+    "is_ext_shared": false,
+    "event_ts": "1561064063.001100"
+  },
+  "type": "event_callback",
+  "event_id": "Ev044RKJHB8W",
+  "event_time": 1664827321,
+  "authorizations": [
+    {
+      "enterprise_id": null,
+      "team_id": "T043DB835ML",
+      "user_id": "U0442US8QGH",
+      "is_bot": false,
+      "is_enterprise_install": false
+    }
+  ],
+  "is_ext_shared_channel": false
+}