diff --git a/requirements-archive/py10-requirements.txt b/requirements-archive/py10-requirements.txt
index 8272f589..f92ee534 100644
--- a/requirements-archive/py10-requirements.txt
+++ b/requirements-archive/py10-requirements.txt
@@ -111,7 +111,7 @@ typing-extensions==4.15.0
     #   beautifulsoup4
     #   exceptiongroup
     #   libsemigroups_pybind11 (pyproject.toml)
-urllib3==2.5.0
+urllib3==2.6.0
     # via requests
 
 # The following packages are considered to be unsafe in a requirements file:
diff --git a/requirements-archive/py11-requirements.txt b/requirements-archive/py11-requirements.txt
index e7523001..fbe93b5f 100644
--- a/requirements-archive/py11-requirements.txt
+++ b/requirements-archive/py11-requirements.txt
@@ -105,7 +105,7 @@ typing-extensions==4.15.0
     # via
     #   beautifulsoup4
     #   libsemigroups_pybind11 (pyproject.toml)
-urllib3==2.5.0
+urllib3==2.6.0
     # via requests
 
 # The following packages are considered to be unsafe in a requirements file:
diff --git a/requirements-archive/py12-requirements.txt b/requirements-archive/py12-requirements.txt
index 93be52d5..8a7d2e74 100644
--- a/requirements-archive/py12-requirements.txt
+++ b/requirements-archive/py12-requirements.txt
@@ -105,7 +105,7 @@ typing-extensions==4.15.0
     # via
     #   beautifulsoup4
     #   libsemigroups_pybind11 (pyproject.toml)
-urllib3==2.5.0
+urllib3==2.6.0
     # via requests
 
 # The following packages are considered to be unsafe in a requirements file:
diff --git a/requirements-archive/py13-requirements.txt b/requirements-archive/py13-requirements.txt
index e93b8e50..504a961b 100644
--- a/requirements-archive/py13-requirements.txt
+++ b/requirements-archive/py13-requirements.txt
@@ -105,7 +105,7 @@ typing-extensions==4.15.0
     # via
     #   beautifulsoup4
     #   libsemigroups_pybind11 (pyproject.toml)
-urllib3==2.5.0
+urllib3==2.6.0
     # via requests
 
 # The following packages are considered to be unsafe in a requirements file:
diff --git a/requirements-archive/py14-requirements.txt b/requirements-archive/py14-requirements.txt
index f06c7dea..2b1b9736 100644
--- a/requirements-archive/py14-requirements.txt
+++ b/requirements-archive/py14-requirements.txt
@@ -105,7 +105,7 @@ typing-extensions==4.15.0
     # via
     #   beautifulsoup4
     #   libsemigroups_pybind11 (pyproject.toml)
-urllib3==2.5.0
+urllib3==2.6.0
     # via requests
 
 # The following packages are considered to be unsafe in a requirements file: