diff --git a/ddtrace/internal/debug.py b/ddtrace/internal/debug.py
index 4d533b604b6..c33ff5ad46d 100644
--- a/ddtrace/internal/debug.py
+++ b/ddtrace/internal/debug.py
@@ -117,8 +117,8 @@ def collect(tracer):
     from ddtrace._trace.tracer import log
 
     return dict(
-        # Timestamp UTC ISO 8601
-        date=datetime.datetime.utcnow().isoformat(),
+        # Timestamp UTC ISO 8601 with the trailing +00:00 removed
+        date=datetime.datetime.now(datetime.timezone.utc).isoformat()[0:-6],
         # eg. "Linux", "Darwin"
         os_name=platform.system(),
         # eg. 12.5.0
diff --git a/ddtrace/profiling/exporter/http.py b/ddtrace/profiling/exporter/http.py
index 6700e584ade..b4ec6994d72 100644
--- a/ddtrace/profiling/exporter/http.py
+++ b/ddtrace/profiling/exporter/http.py
@@ -220,8 +220,18 @@ def export(
             "family": "python",
             "attachments": [item["filename"].decode("utf-8") for item in data],
             "tags_profiler": self._get_tags(service),
-            "start": (datetime.datetime.utcfromtimestamp(start_time_ns / 1e9).replace(microsecond=0).isoformat() + "Z"),
-            "end": (datetime.datetime.utcfromtimestamp(end_time_ns / 1e9).replace(microsecond=0).isoformat() + "Z"),
+            "start": (
+                datetime.datetime.fromtimestamp(start_time_ns / 1e9, tz=datetime.timezone.utc)
+                .replace(microsecond=0)
+                .isoformat()[0:-6]  # removes the trailing +00:00 portion of the time
+                + "Z"
+            ),
+            "end": (
+                datetime.datetime.fromtimestamp(end_time_ns / 1e9, tz=datetime.timezone.utc)
+                .replace(microsecond=0)
+                .isoformat()[0:-6]  # removes the trailing +00:00 portion of the time
+                + "Z"
+            ),
         }  # type: Dict[str, Any]
 
         if self.endpoint_call_counter_span_processor is not None:
diff --git a/tests/appsec/iast_packages/packages/pkg_pyjwt.py b/tests/appsec/iast_packages/packages/pkg_pyjwt.py
index 4712f6cee0f..ec43d8a17d2 100644
--- a/tests/appsec/iast_packages/packages/pkg_pyjwt.py
+++ b/tests/appsec/iast_packages/packages/pkg_pyjwt.py
@@ -3,6 +3,7 @@
 
 https://pypi.org/project/PyJWT/
 """
+
 import datetime
 
 from flask import Blueprint
@@ -25,7 +26,10 @@ def pkg_pyjwt_view():
         secret_key = "your-256-bit-secret"
         user_payload = request.args.get("package_param", "default-user")
 
-        payload = {"user": user_payload, "exp": datetime.datetime.utcnow() + datetime.timedelta(seconds=30)}
+        payload = {
+            "user": user_payload,
+            "exp": datetime.datetime.now(datetime.timezone.utc) + datetime.timedelta(seconds=30),
+        }
 
         try:
             # Encode the payload to create a JWT