diff --git a/platform/services/notifier/pyproject.toml b/platform/services/notifier/pyproject.toml
index 012efa2dd..c246346fa 100644
--- a/platform/services/notifier/pyproject.toml
+++ b/platform/services/notifier/pyproject.toml
@@ -7,7 +7,7 @@ description = "Notification handler for Geti"
 requires-python = ">=3.10, <3.11"
 
 dependencies = [
-    "aiosmtplib==2.0.2",
+    "aiosmtplib==5.1.1",
     "geti-kafka-tools",
     "geti-telemetry-tools",
 ]
diff --git a/platform/services/notifier/uv.lock b/platform/services/notifier/uv.lock
index d7b25eb1d..2c51f056b 100644
--- a/platform/services/notifier/uv.lock
+++ b/platform/services/notifier/uv.lock
@@ -4,11 +4,11 @@ requires-python = "==3.10.*"
 
 [[package]]
 name = "aiosmtplib"
-version = "2.0.2"
+version = "5.1.1"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/8f/66/64d78bcb36c0a3da4610d5564c0422cb726051fb5dbd136a8839d8b91574/aiosmtplib-2.0.2.tar.gz", hash = "sha256:138599a3227605d29a9081b646415e9e793796ca05322a78f69179f0135016a3", size = 56295, upload-time = "2023-06-03T19:48:36.957Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/39/ba/34f2fef90d13e21ae3f1b360da98d825c40832bb232613513be92457ff65/aiosmtplib-5.1.1.tar.gz", hash = "sha256:d9a35e9d170bc1a9f66e2fdfe7fd212f7eebb8c1581c621f79395d0bcaba7a68", size = 68123, upload-time = "2026-05-31T17:25:36.298Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/66/be/6902c91523a5faedee22e260e17fc23521fd63b2fec46dd5e5fcda62da8f/aiosmtplib-2.0.2-py3-none-any.whl", hash = "sha256:1e631a7a3936d3e11c6a144fb8ffd94bb4a99b714f2cb433e825d88b698e37bc", size = 27149, upload-time = "2023-06-03T19:48:35.562Z" },
+    { url = "https://files.pythonhosted.org/packages/56/97/d1030d897e96c79cf0682ff93c11a2118085b3af4c27993675eda9e55da3/aiosmtplib-5.1.1-py3-none-any.whl", hash = "sha256:9d384f0c3d8906f745c1cf6819f073145bb2de8b10407905f5e2ee3389bfe6c7", size = 27937, upload-time = "2026-05-31T17:25:35.283Z" },
 ]
 
 [[package]]
@@ -182,7 +182,7 @@ dev = [
 
 [package.metadata]
 requires-dist = [
-    { name = "aiosmtplib", specifier = "==2.0.2" },
+    { name = "aiosmtplib", specifier = "==5.1.1" },
     { name = "geti-kafka-tools", editable = "../../../libs/kafka_tools" },
     { name = "geti-telemetry-tools", editable = "../../../libs/telemetry_tools" },
 ]