diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dace415..204d83f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,6 +32,9 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           cache: "pip"
+          cache-dependency-path: |
+            requirements.txt
+            test-requirements.txt
 
       - name: Install pip
         run: |
diff --git a/.github/workflows/python-code-format.yml b/.github/workflows/python-code-format.yml
index d6bd931..e7a9ab0 100644
--- a/.github/workflows/python-code-format.yml
+++ b/.github/workflows/python-code-format.yml
@@ -33,6 +33,10 @@ jobs:
         uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: ${{ matrix.python-version }}
+          cache: "pip"
+          cache-dependency-path: |
+            requirements.txt
+            test-requirements.txt
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/python-publish-pypi.yml b/.github/workflows/python-publish-pypi.yml
index 7dca3e4..1ca838f 100644
--- a/.github/workflows/python-publish-pypi.yml
+++ b/.github/workflows/python-publish-pypi.yml
@@ -18,6 +18,10 @@ jobs:
         uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: "3.11"
+          cache: "pip"
+          cache-dependency-path: |
+            requirements.txt
+            test-requirements.txt
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -47,6 +51,10 @@ jobs:
         uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: "3.11"
+          cache: "pip"
+          cache-dependency-path: |
+            requirements.txt
+            test-requirements.txt
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/test-requirements.txt b/test-requirements.txt
index 8024f9c..24a12da 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@
 
 # pin pylint version: it has a tendendy for stricter rules in patch updates!
 pylint==4.0.5
-flake8-docstrings
-flake8
-black
-isort
+flake8-docstrings==1.7.0
+flake8==7.3.0
+black==26.5.1
+isort==8.0.1