diff --git a/charmcraft/charm_builder.py b/charmcraft/charm_builder.py
index 8edc5b439..01a83e238 100644
--- a/charmcraft/charm_builder.py
+++ b/charmcraft/charm_builder.py
@@ -41,8 +41,9 @@
     validate_strict_dependencies,
 )
 
-MINIMUM_PIP_VERSION = (23, 0)
-KNOWN_GOOD_PIP_URL = "https://files.pythonhosted.org/packages/ba/19/e63fb4e0d20e48bd2167bb7e857abc0e21679e24805ba921a224df8977c0/pip-23.2.1.tar.gz"
+MINIMUM_PIP_VERSION = (24, 1)
+KNOWN_GOOD_PIP_URL = "https://files.pythonhosted.org/packages/c0/d0/9641dc7b05877874c6418f8034ddefc809495e65caa14d38c7551cd114bb/pip-24.1.1.tar.gz"
+KNOWN_GOOD_PIP_HASH = "sha256:5aa64f65e1952733ee0a9a9b1f52496ebdb3f3077cc46f80a16d983b58d1180a"
 
 
 def relativise(src, dst):
@@ -237,7 +238,13 @@ def _install_dependencies(self, staging_venv_dir):
             # common charm dependencies (e.g. ops). Resolve this by updating to a
             # known working version of pip.
             if get_pip_version(pip_cmd) < MINIMUM_PIP_VERSION:
-                _process_run([pip_cmd, "install", f"pip@{KNOWN_GOOD_PIP_URL}"])
+                _process_run(
+                    [
+                        pip_cmd,
+                        "install",
+                        f"pip@{KNOWN_GOOD_PIP_URL}",
+                    ]
+                )
 
         with instrum.Timer("Installing all dependencies"):
             if self.strict_dependencies:
diff --git a/tests/test_charm_builder.py b/tests/test_charm_builder.py
index 6a0ce9576..fee96fadd 100644
--- a/tests/test_charm_builder.py
+++ b/tests/test_charm_builder.py
@@ -610,7 +610,13 @@ def test_build_dependencies_virtualenv_simple(tmp_path, assert_output):
 
     assert mock.mock_calls == [
         call(["python3", "-m", "venv", str(tmp_path / const.STAGING_VENV_DIRNAME)]),
-        call([pip_cmd, "install", f"pip@{KNOWN_GOOD_PIP_URL}"]),
+        call(
+            [
+                pip_cmd,
+                "install",
+                f"pip@{KNOWN_GOOD_PIP_URL}",
+            ]
+        ),
         call([pip_cmd, "install", f"--requirement={reqs_file}"]),
     ]
 
@@ -649,7 +655,13 @@ def test_build_dependencies_virtualenv_multiple(tmp_path, assert_output):
     pip_cmd = str(charm_builder._find_venv_bin(tmp_path / const.STAGING_VENV_DIRNAME, "pip"))
     assert mock.mock_calls == [
         call(["python3", "-m", "venv", str(tmp_path / const.STAGING_VENV_DIRNAME)]),
-        call([pip_cmd, "install", f"pip@{KNOWN_GOOD_PIP_URL}"]),
+        call(
+            [
+                pip_cmd,
+                "install",
+                f"pip@{KNOWN_GOOD_PIP_URL}",
+            ]
+        ),
         call(
             [
                 pip_cmd,
@@ -712,7 +724,13 @@ def test_build_dependencies_virtualenv_packages(tmp_path, assert_output):
 
     assert mock.mock_calls == [
         call(["python3", "-m", "venv", str(tmp_path / const.STAGING_VENV_DIRNAME)]),
-        call([pip_cmd, "install", f"pip@{KNOWN_GOOD_PIP_URL}"]),
+        call(
+            [
+                pip_cmd,
+                "install",
+                f"pip@{KNOWN_GOOD_PIP_URL}",
+            ]
+        ),
         call([pip_cmd, "install", "--no-binary=pkg1,pkg2", "pkg1", "pkg2"]),
     ]
 
@@ -747,7 +765,13 @@ def test_build_dependencies_virtualenv_binary_packages(tmp_path, assert_output):
 
     assert mock.mock_calls == [
         call(["python3", "-m", "venv", str(tmp_path / const.STAGING_VENV_DIRNAME)]),
-        call([pip_cmd, "install", f"pip@{KNOWN_GOOD_PIP_URL}"]),
+        call(
+            [
+                pip_cmd,
+                "install",
+                f"pip@{KNOWN_GOOD_PIP_URL}",
+            ]
+        ),
         call([pip_cmd, "install", "pkg1", "pkg2"]),
     ]
 
@@ -788,7 +812,13 @@ def test_build_dependencies_virtualenv_all(tmp_path, assert_output):
 
     assert mock.mock_calls == [
         call(["python3", "-m", "venv", str(tmp_path / const.STAGING_VENV_DIRNAME)]),
-        call([pip_cmd, "install", f"pip@{KNOWN_GOOD_PIP_URL}"]),
+        call(
+            [
+                pip_cmd,
+                "install",
+                f"pip@{KNOWN_GOOD_PIP_URL}",
+            ]
+        ),
         call(
             [
                 pip_cmd,