diff --git a/sentry_sdk/integrations/__init__.py b/sentry_sdk/integrations/__init__.py
index 2ab82f91e2..55dce10656 100644
--- a/sentry_sdk/integrations/__init__.py
+++ b/sentry_sdk/integrations/__init__.py
@@ -23,12 +23,14 @@ def get_default_integrations():
     from sentry_sdk.integrations.excepthook import ExcepthookIntegration
     from sentry_sdk.integrations.dedupe import DedupeIntegration
     from sentry_sdk.integrations.atexit import AtexitIntegration
+    from sentry_sdk.integrations.modules import ModulesIntegration
 
     yield LoggingIntegration()
     yield StdlibIntegration()
     yield ExcepthookIntegration()
     yield DedupeIntegration()
     yield AtexitIntegration()
+    yield ModulesIntegration()
 
 
 def setup_integrations(integrations, with_defaults=True):
diff --git a/sentry_sdk/integrations/modules.py b/sentry_sdk/integrations/modules.py
new file mode 100644
index 0000000000..7b6250e7c5
--- /dev/null
+++ b/sentry_sdk/integrations/modules.py
@@ -0,0 +1,36 @@
+from __future__ import absolute_import
+
+from sentry_sdk.api import configure_scope
+from sentry_sdk.integrations import Integration
+
+_installed_modules = None
+
+
+def _generate_installed_modules():
+    try:
+        import pkg_resources
+    except ImportError:
+        return
+
+    for info in pkg_resources.working_set:
+        yield info.key, info.version
+
+
+def _get_installed_modules():
+    global _installed_modules
+    if _installed_modules is None:
+        _installed_modules = dict(_generate_installed_modules())
+    return _installed_modules
+
+
+class ModulesIntegration(Integration):
+    identifier = "modules"
+
+    def install(self):
+        with configure_scope() as scope:
+
+            @scope.add_event_processor
+            def processor(event, hint):
+                if "modules" not in event:
+                    event["modules"] = dict(_get_installed_modules())
+                return event
diff --git a/tests/integrations/modules/test_modules.py b/tests/integrations/modules/test_modules.py
new file mode 100644
index 0000000000..1529afc8e5
--- /dev/null
+++ b/tests/integrations/modules/test_modules.py
@@ -0,0 +1,14 @@
+import sentry_sdk
+
+from sentry_sdk.integrations.modules import ModulesIntegration
+
+
+def test_basic(sentry_init, capture_events):
+    sentry_init(integrations=[ModulesIntegration()])
+    events = capture_events()
+
+    sentry_sdk.capture_exception(ValueError())
+
+    event, = events
+    assert "sentry-sdk" in event["modules"]
+    assert "pytest" in event["modules"]