diff --git a/dblp-fetcher/poetry.lock b/dblp-fetcher/poetry.lock
index 9d1d825..af3fcf6 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 = "0.28.1"
 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-0.28.1-py3-none-any.whl", hash = "sha256:890c98789ad884037f059af6ea915ec2d667129d509180c2c590b8009a4c4219"},
+    {file = "validators-0.28.1.tar.gz", hash = "sha256:5ac88e7916c3405f0ce38ac2ac82a477fcf4d90dbbeddd04c8193171fc17f7dc"},
 ]
 
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "05617a07ee3d46ce8206910cee68a16a710f53e4f10800e4349ac5d7e12ec0a6"
+content-hash = "f2367086924b11b94ce613fd58cb9327a3828e1575145aa05ae23912d8ff86dd"
diff --git a/dblp-fetcher/pyproject.toml b/dblp-fetcher/pyproject.toml
index 2007831..7e3627d 100644
--- a/dblp-fetcher/pyproject.toml
+++ b/dblp-fetcher/pyproject.toml
@@ -14,7 +14,7 @@ google-api-python-client = "^2.124.0"
 google-auth-httplib2 = "^0.2.0"
 google-auth-oauthlib = "^1.2.0"
 requests = "^2.31.0"
-validators = "^0.24.0"
+validators = "^0.28.1"
 
 [tool.poetry.dev-dependencies]
 pytest = "^8.1"