diff --git a/.github/workflows/stylish.yml b/.github/workflows/stylish.yml
index 0d5ecdb040..434a304cb5 100644
--- a/.github/workflows/stylish.yml
+++ b/.github/workflows/stylish.yml
@@ -24,7 +24,7 @@ jobs:
 
     - uses: psf/black@stable
       with:
-        version: "23.3.0"
+        version: "24.3.0"
 
     - name: Setup flake8 annotations
       uses: rbialon/flake8-annotations@v1
diff --git a/src/rhsmlib/services/register.py b/src/rhsmlib/services/register.py
index aa3d451844..76e1669088 100644
--- a/src/rhsmlib/services/register.py
+++ b/src/rhsmlib/services/register.py
@@ -144,9 +144,9 @@ def register(
             syspurposelib.write_syspurpose(syspurpose)
 
         syspurpose_dict = {
-            "service_level_agreement": consumer["serviceLevel"]
-            if "serviceLevel" in list(consumer.keys())
-            else "",
+            "service_level_agreement": (
+                consumer["serviceLevel"] if "serviceLevel" in list(consumer.keys()) else ""
+            ),
             "role": consumer["role"] if "role" in list(consumer.keys()) else "",
             "usage": consumer["usage"] if "usage" in list(consumer.keys()) else "",
             "addons": consumer["addOns"] if "addOns" in list(consumer.keys()) else [],
diff --git a/src/subscription_manager/branding/__init__.py b/src/subscription_manager/branding/__init__.py
index f435976ced..bd6db49591 100644
--- a/src/subscription_manager/branding/__init__.py
+++ b/src/subscription_manager/branding/__init__.py
@@ -67,7 +67,6 @@ def __getattr__(self, x):
 
 
 class DefaultBranding:
-
     """
     Default branding. values are defined in init to help with i18n/l10n
     ordering.
diff --git a/src/subscription_manager/repofile.py b/src/subscription_manager/repofile.py
index cc98803493..1d81524578 100644
--- a/src/subscription_manager/repofile.py
+++ b/src/subscription_manager/repofile.py
@@ -286,7 +286,6 @@ def manage_repos_enabled() -> bool:
 
 
 class TidyWriter:
-
     """
     ini file reader that removes successive newlines,
     and adds a trailing newline to the end of a file.
diff --git a/test-requirements.txt b/test-requirements.txt
index 2dfb62d967..c350c806c3 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@
 
 # the version of black is specified also in the stylish.yml github workflow;
 # please update the version there in case it is bumped here
-black==23.3.0
+black==24.3.0
 flake8
 pytest
 pytest-randomly