diff --git a/.env.template b/.env.template
index b0092ed..c0966a6 100644
--- a/.env.template
+++ b/.env.template
@@ -18,3 +18,6 @@ TFA_PASSWORD=gmail_pass
 
 # Example, note double $ for escaping
 # SAVE_MEDIA_TO='/records/$${Y}/$${m}/$${F}T$${t}_$${N}_$${SN}'
+
+# Monitor errors
+# SENTRY_DSN=https://XXX.sentry.io/YYY
diff --git a/arlo-downloader.py b/arlo-downloader.py
index 2a52060..6c1f1ce 100644
--- a/arlo-downloader.py
+++ b/arlo-downloader.py
@@ -9,6 +9,25 @@
 
 from config import Config
 
+# Optionally, enable Sentry. Should be initialized as early as possible.
+SENTRY_DSN = os.getenv("SENTRY_DSN", "_invalid")
+if SENTRY_DSN != "_invalid":
+    import sentry_sdk
+
+    sentry_sdk.init(
+        dsn=SENTRY_DSN,
+        # Set traces_sample_rate to 1.0 to capture 100%
+        # of transactions for performance monitoring.
+        traces_sample_rate=1.0,
+        # Set profiles_sample_rate to 1.0 to profile 100%
+        # of sampled transactions.
+        # We recommend adjusting this value in production.
+        profiles_sample_rate=1.0,
+    )
+    print("Sentry enabled.")
+else:
+    print("Sentry disabled.")
+
 
 def parse_arguments():
 
diff --git a/compose.yml b/compose.yml
index acd7fb7..f6e3cb8 100644
--- a/compose.yml
+++ b/compose.yml
@@ -16,3 +16,4 @@ services:
       DEBUG: ${DEBUG:-0}
       UID: ${UID:-999}
       GID: ${GID:-999}
+      SENTRY_DSN: ${SENTRY_DSN:-_invalid}
diff --git a/requirements.txt b/requirements.txt
index db445b4..05e1dfe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,6 @@
 cloudscraper>=1.2.71
 # TODO: switch to release when better errors is merged
 pyaarlo @ git+https://github.com/twrecked/pyaarlo@bb84163fc576c3756bf3a535b8cfe5a436bee8a1
+
+# optional
+sentry-sdk>=2.12.0