diff --git a/.github/workflows/build_release.yml b/.github/workflows/build_release.yml
index 47fb2a4..b361cb2 100644
--- a/.github/workflows/build_release.yml
+++ b/.github/workflows/build_release.yml
@@ -20,9 +20,9 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Set up PDM
-        uses: pdm-project/setup-pdm@v4
+        uses: pdm-project/setup-pdm@94a823180e06fcde4ad29308721954a521c96ed0 # v4
         with:
           python-version: 3.12
       - name: Build Release
diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index 2cbe2ac..de7c859 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -15,7 +15,7 @@ jobs:
       - macos-local
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Install dependencies
         run: |
           pdm install -dG test
diff --git a/.github/workflows/test_lint_scan.yml b/.github/workflows/test_lint_scan.yml
index 5178387..ccd816b 100644
--- a/.github/workflows/test_lint_scan.yml
+++ b/.github/workflows/test_lint_scan.yml
@@ -14,9 +14,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Set up PDM
-        uses: pdm-project/setup-pdm@v4
+        uses: pdm-project/setup-pdm@94a823180e06fcde4ad29308721954a521c96ed0 # v4
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -31,9 +31,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Set up PDM
-        uses: pdm-project/setup-pdm@v4
+        uses: pdm-project/setup-pdm@94a823180e06fcde4ad29308721954a521c96ed0 # v4
         with:
           python-version: 3.12
       - name: Install dependencies
@@ -48,20 +48,20 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Set up PDM
-        uses: pdm-project/setup-pdm@v4
+        uses: pdm-project/setup-pdm@94a823180e06fcde4ad29308721954a521c96ed0 # v4
         with:
           python-version: 3.12
       - name: Install dependencies
         run: |
           pdm install -dG :all --no-self
       - name: Initialize Runtime Code Analysis
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@ebcb5b36ded6beda4ceefea6a8bc4cc885255bb3 # v3
         with:
           languages: python
       - name: Perform Runtime Code Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@ebcb5b36ded6beda4ceefea6a8bc4cc885255bb3 # v3
         env:
           CODEQL_EXTRACTOR_PYTHON_ANALYSIS_VERSION: 3.12
       - name: Perform Secure Code Analysis (Secrets)
diff --git a/pyproject.toml b/pyproject.toml
index b2490b0..309dce8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ authors = [
 ]
 description = "Next generation GUIDs. Collision-resistant ids optimized for horizontal scaling and performance."
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = "==3.14.3"
 license = {file = "LICENSE"}
 classifiers = [
     "Development Status :: 5 - Production/Stable",
@@ -51,24 +51,24 @@ tox = "tox --parallel auto"
 
 [tool.pdm.dev-dependencies]
 lint = [
-    "codespell~=2.2.6",  #  https://github.com/codespell-project/codespell  (latest:  2.2.6)
-    "pylint~=3.1.0",     #  https://github.com/pylint-dev/pylint            (latest:  3.1.0)
-    "requests>=2.31.0",  #  https://github.com/psf/requests                 (latest:  2.31.0)
-    "ruff~=0.3.7",       #  https://github.com/astral-sh/ruff               (latest:  0.3.7)
+    "codespell==2.2.6",  #  https://github.com/codespell-project/codespell  (latest:  2.2.6)
+    "pylint==3.1.0",     #  https://github.com/pylint-dev/pylint            (latest:  3.1.0)
+    "requests==2.31.0",  #  https://github.com/psf/requests                 (latest:  2.31.0)
+    "ruff==0.3.7",       #  https://github.com/astral-sh/ruff               (latest:  0.3.7)
     "safety==3.1.0",     #  https://github.com/pyupio/safety                (latest:  3.1.0)
 ]
 test = [
-    "pytest~=8.1.1",        #  https://github.com/pytest-dev/pytest        (latest:  8.1.1)
-    "pytest-mock~=3.14.0",  #  https://github.com/pytest-dev/pytest-mock/  (latest:  3.14.0)
-    "pytest-sugar~=1.0.0",  #  https://github.com/Teemu/pytest-sugar       (latest:  1.0.0)
+    "pytest==8.1.1",        #  https://github.com/pytest-dev/pytest        (latest:  8.1.1)
+    "pytest-mock==3.14.0",  #  https://github.com/pytest-dev/pytest-mock/  (latest:  3.14.0)
+    "pytest-sugar==1.0.0",  #  https://github.com/Teemu/pytest-sugar       (latest:  1.0.0)
 ]
 tox = [
     # Version reduced to prevent `packaging` conflict with safety
-    "tox~=4.14.2",     #  https://github.com/tox-dev/tox          (latest:  4.14.2)
-    "tox-pdm~=0.7.2",  #  https://github.com/pdm-project/tox-pdm  (latest:  0.7.2)
+    "tox==4.14.2",     #  https://github.com/tox-dev/tox          (latest:  4.14.2)
+    "tox-pdm==0.7.2",  #  https://github.com/pdm-project/tox-pdm  (latest:  0.7.2)
 ]
 typing = [
-    "mypy~=1.9.0",  #  https://github.com/python/mypy  (latest:  1.9.0)
+    "mypy==1.9.0",  #  https://github.com/python/mypy  (latest:  1.9.0)
 ]
 
 [tool.tox]