diff --git a/dblp-fetcher/poetry.lock b/dblp-fetcher/poetry.lock
index f3906cb..1244cc9 100644
--- a/dblp-fetcher/poetry.lock
+++ b/dblp-fetcher/poetry.lock
@@ -464,16 +464,16 @@ socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
 [[package]]
 name = "validators"
-version = "0.24.0"
+version = "0.28.3"
 description = "Python Data Validation for Humans™"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "validators-0.24.0-py3-none-any.whl", hash = "sha256:4a99eb368747e60900bae947418eb21e230ff4ff5e7b7944b9308c456d86da32"},
-    {file = "validators-0.24.0.tar.gz", hash = "sha256:cd23defb36de42d14e7559cf0757f761bb46b10d9de2998e6ef805f769d859e3"},
+    {file = "validators-0.28.3-py3-none-any.whl", hash = "sha256:53cafa854f13850156259d9cc479b864ee901f6a96e6b109e6fc33f98f37d99f"},
+    {file = "validators-0.28.3.tar.gz", hash = "sha256:c6c79840bcde9ba77b19f6218f7738188115e27830cbaff43264bc4ed24c429d"},
 ]
 
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "625284887dd6b606239d76cd48816e37843e22a94ca482ff9c0ad15553a63fdc"
+content-hash = "5602c5ebce3a80915728a47171df84d552be2cd33bf23e2cc2c496e9d3621c11"
diff --git a/dblp-fetcher/pyproject.toml b/dblp-fetcher/pyproject.toml
index bc853d4..b2b7604 100644
--- a/dblp-fetcher/pyproject.toml
+++ b/dblp-fetcher/pyproject.toml
@@ -14,7 +14,7 @@ google-api-python-client = "^2.127.0"
 google-auth-httplib2 = "^0.2.0"
 google-auth-oauthlib = "^1.2.0"
 requests = "^2.31.0"
-validators = "^0.24.0"
+validators = "^0.28.3"
 
 [tool.poetry.dev-dependencies]
 pytest = "^8.1"