diff --git a/apprise/plugins/slack.py b/apprise/plugins/slack.py
index be6ae23e..4aa8b421 100644
--- a/apprise/plugins/slack.py
+++ b/apprise/plugins/slack.py
@@ -271,6 +271,12 @@ class NotifySlack(NotifyBase):
             "to": {
                 "alias_of": "targets",
             },
+            "timestamp": {
+                "name": _("Include Timestamp"),
+                "type": "bool",
+                "default": True,
+                "map_to": "include_timestamp",
+            },
             "token": {
                 "name": _("Token"),
                 "alias_of": ("access_token", "token_a", "token_b", "token_c"),
@@ -327,6 +333,7 @@ class NotifySlack(NotifyBase):
         targets=None,
         include_image=None,
         include_footer=None,
+        include_timestamp=None,
         use_blocks=None,
         **kwargs,
     ):
@@ -423,6 +430,12 @@ class NotifySlack(NotifyBase):
             self.template_args["footer"]["default"] \
             if include_footer is None else include_footer
 
+        # timestamp inclusion (only applicable if footer also defined
+        self.include_timestamp = \
+            self.template_args["timestamp"]["default"] \
+            if include_timestamp is None \
+            else include_timestamp
+
         return
 
     def send(
@@ -572,10 +585,9 @@ class NotifySlack(NotifyBase):
                     "title": title,
                     "text": body,
                     "color": self.color(notify_type),
-                    # Time
-                    "ts": time(),
                 }],
             }
+
             # Acquire our to-be footer icon if configured to do so
             image_url = (
                 None if not self.include_image else self.image_url(notify_type)
@@ -592,6 +604,9 @@ class NotifySlack(NotifyBase):
                 # Include the footer only if specified to do so
                 payload["attachments"][0]["footer"] = self.app_id
 
+                if self.include_timestamp:
+                    # Timestamp
+                    payload["attachments"][0]["ts"] = time()
         if (
             attach
             and self.attachment_support
@@ -1115,6 +1130,7 @@ class NotifySlack(NotifyBase):
         params = {
             "image": "yes" if self.include_image else "no",
             "footer": "yes" if self.include_footer else "no",
+            "timestamp": "yes" if self.include_timestamp else "no",
             "blocks": "yes" if self.use_blocks else "no",
         }
 
@@ -1233,6 +1249,11 @@ class NotifySlack(NotifyBase):
             parse_bool(results["qsd"].get(
                 "image", NotifySlack.template_args["image"]["default"]))
 
+        results["include_timestamp"] = \
+            parse_bool(results["qsd"].get(
+                "timestamp",
+                NotifySlack.template_args["timestamp"]["default"]))
+
         # Get Payload structure (use blocks?)
         if "blocks" in results["qsd"] and len(results["qsd"]["blocks"]):
             results["use_blocks"] = parse_bool(results["qsd"]["blocks"])
diff --git a/tests/test_plugin_slack.py b/tests/test_plugin_slack.py
index 317d2d87..a201d049 100644
--- a/tests/test_plugin_slack.py
+++ b/tests/test_plugin_slack.py
@@ -170,7 +170,9 @@ apprise_url_tests = (
     ),
     # Test using a bot-token (also test footer set to no flag)
     (
-        "slack://username@xoxb-1234-1234-abc124/#nuxref?footer=no",
+        (
+            "slack://username@xoxb-1234-1234-abc124/#nuxref?footer=no"
+            "&timestamp=yes"),
         {
             "instance": NotifySlack,
             "requests_response_text": {
@@ -179,18 +181,71 @@ apprise_url_tests = (
             },
         },
     ),
-    # Test blocks mode
     (
         (
-            "slack://?token=T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7FQ/"
-            "&to=#chan&blocks=yes&footer=yes"
-        ),
-        {"instance": NotifySlack, "requests_response_text": "ok"},
+            "slack://username@xoxb-1234-1234-abc124/#nuxref?footer=yes"
+            "&timestamp=yes"),
+        {
+            "instance": NotifySlack,
+            "requests_response_text": {
+                "ok": True,
+                "message": "",
+            },
+        },
     ),
+    (
+        (
+            "slack://username@xoxb-1234-1234-abc124/#nuxref?footer=yes"
+            "&timestamp=no"),
+        {
+            "instance": NotifySlack,
+            "requests_response_text": {
+                "ok": True,
+                "message": "",
+            },
+        },
+    ),
+    (
+        (
+            "slack://username@xoxb-1234-1234-abc124/#nuxref?footer=yes"
+            "&timestamp=no"),
+        {
+            "instance": NotifySlack,
+            "requests_response_text": {
+                "ok": True,
+                "message": "",
+            },
+        },
+    ),
+    # Test blocks mode with timestamp variation
     (
         (
             "slack://?token=T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7FQ/"
-            "&to=#chan&blocks=yes&footer=no"
+            "&to=#chan&blocks=yes&footer=yes&timestamp=no"
+        ),
+        {"instance": NotifySlack, "requests_response_text": "ok"},
+    ),
+    # Test blocks mode with another timestamp
+    (
+        (
+            "slack://?token=T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7FQ/"
+            "&to=#chan&blocks=yes&footer=yes&timestamp=yes"
+        ),
+        {"instance": NotifySlack, "requests_response_text": "ok"},
+    ),
+    # footer being disabled means timestamp isn't shown
+    (
+        (
+            "slack://?token=T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7FQ/"
+            "&to=#chan&blocks=yes&footer=no&timestamp=yes"
+        ),
+        {"instance": NotifySlack, "requests_response_text": "ok"},
+    ),
+    # footer and timestamp disabled
+    (
+        (
+            "slack://?token=T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7FQ/"
+            "&to=#chan&blocks=yes&footer=no&timestamp=no"
         ),
         {"instance": NotifySlack, "requests_response_text": "ok"},
     ),