diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e341a39..b6822f8 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -108,7 +108,7 @@ repos:
       - id: "check-pre-commit-ci-config"
 
   - repo: "https://github.com/python-jsonschema/check-jsonschema"
-    rev: "0.28.2"
+    rev: "0.29.0"
     hooks:
       # Validate Dependabot Config (v2) against the schema provided by
       # SchemaStore.
@@ -162,7 +162,7 @@ repos:
 
   - repo: "https://github.com/psf/black-pre-commit-mirror"
     # Stay at black version 23, because some formatting rules change in
-    # version 24.
+    # version 24.  Latest 23 version is 23.12.1.
     rev: "23.12.1"
     hooks:
       # Format Python code with black.
@@ -176,7 +176,7 @@ repos:
           - "--color"
 
   - repo: "https://github.com/PyCQA/flake8"
-    rev: "7.0.0"
+    rev: "7.1.0"
     hooks:
       # Lint Python code with Flake8.
       - id: "flake8"
@@ -195,7 +195,7 @@ repos:
           - "pep8-naming >=0.1, <1.0"
 
   - repo: "https://github.com/PyCQA/bandit"
-    rev: "1.7.8"
+    rev: "1.7.9"
     hooks:
       # Check code security with bandit.
       - id: "bandit"
diff --git a/docs/source/conf.py b/docs/source/conf.py
index f9e2f67..48b8f80 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -440,6 +440,17 @@
 text_secnumber_suffix = html_secnumber_suffix
 
 
+# -- Options for the linkcheck builder ---------------------------------
+
+# List of regular expressions that match URIs that should not be checked
+# when running `make linkcheck`.
+linkcheck_ignore = [
+    # Errno 110 Connection timed out.
+    r"https://confluence\.uni-muenster\.de.",
+]
+linkcheck_retries = 2
+
+
 # -- Extension configuration -------------------------------------------
 # -- Options for autodoc extension -------------------------------------