diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2bb8e1d69217..62b62d0f6481 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - run: sudo apt-get update && sudo apt-get install -y libhdf5-dev
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
diff --git a/.github/workflows/devcontainer_ci.yml b/.github/workflows/devcontainer_ci.yml
index d1b81593866f..e8cd040c1323 100644
--- a/.github/workflows/devcontainer_ci.yml
+++ b/.github/workflows/devcontainer_ci.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: devcontainers/ci@v0.3
         with:
           push: never
diff --git a/.github/workflows/directory_writer.yml b/.github/workflows/directory_writer.yml
index deffbe9e364f..598cdfa5a371 100644
--- a/.github/workflows/directory_writer.yml
+++ b/.github/workflows/directory_writer.yml
@@ -6,7 +6,7 @@ jobs:
   directory_writer:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
diff --git a/.github/workflows/project_euler.yml b/.github/workflows/project_euler.yml
index 591b2163cc1a..ff61367974f3 100644
--- a/.github/workflows/project_euler.yml
+++ b/.github/workflows/project_euler.yml
@@ -21,7 +21,7 @@ jobs:
           libxml2-dev libxslt-dev
           libhdf5-dev
           libopenblas-dev
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
@@ -39,7 +39,7 @@ jobs:
           libxml2-dev libxslt-dev
           libhdf5-dev
           libopenblas-dev
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/ruff.yml b/.github/workflows/ruff.yml
index 13df19c8d743..d665d0fb9266 100644
--- a/.github/workflows/ruff.yml
+++ b/.github/workflows/ruff.yml
@@ -11,6 +11,6 @@ jobs:
   ruff:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
       - run: uvx ruff check --output-format=github .
diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 3f00094e0264..7a8fc9460446 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -32,7 +32,7 @@ jobs:
           libxml2-dev libxslt-dev
           libhdf5-dev
           libopenblas-dev
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
diff --git a/sorts/bubble_sort.py b/sorts/bubble_sort.py
index 4d658a4a12e4..8e9da320a338 100644
--- a/sorts/bubble_sort.py
+++ b/sorts/bubble_sort.py
@@ -5,9 +5,16 @@ def bubble_sort_iterative(collection: list[Any]) -> list[Any]:
     """Pure implementation of bubble sort algorithm in Python
 
     :param collection: some mutable ordered collection with heterogeneous
-    comparable items inside
+        comparable items inside
     :return: the same collection ordered in ascending order
 
+    Time Complexity:
+        - Worst Case: O(n^2)
+        - Average Case: O(n^2)
+        - Best Case: O(n)
+
+    Space Complexity: O(1) auxiliary space
+
     Examples:
     >>> bubble_sort_iterative([0, 5, 2, 3, 2])
     [0, 2, 2, 3, 5]
@@ -66,6 +73,13 @@ def bubble_sort_recursive(collection: list[Any]) -> list[Any]:
     :param collection: mutable ordered sequence of elements
     :return: the same list in ascending order
 
+    Time Complexity:
+        - Worst Case: O(n^2)
+        - Average Case: O(n^2)
+        - Best Case: O(n)
+
+    Space Complexity: O(n) auxiliary stack space due to recursion
+
     Examples:
     >>> bubble_sort_recursive([0, 5, 2, 3, 2])
     [0, 2, 2, 3, 5]