diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ff2b7904..b733c06f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,7 +45,7 @@ jobs:
   lint:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
     - name: ruff format
       uses: chartboost/ruff-action@e18ae971ccee1b2d7bbef113930f00c670b78da4 # v1
       with:
@@ -72,7 +72,7 @@ jobs:
         ports:
           - 27017:27017
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
     - name: "Set up environment"
       uses: packetcoders/action-setup-cache-python-poetry@0d0be5577b30d85f3fa2d93a4beeda149520f120 # v1.2.0
       with:
@@ -89,7 +89,7 @@ jobs:
     runs-on: ubuntu-24.04
     needs: [lint]
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
     - name: "Set up environment"
       uses: packetcoders/action-setup-cache-python-poetry@0d0be5577b30d85f3fa2d93a4beeda149520f120 # v1.2.0
       with:
@@ -122,12 +122,12 @@ jobs:
     if: ${{ fromJSON(needs.check_version.outputs.should_publish) }}
     
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
     # bits borrowed from packetcoders/action-setup-cache-python-poetry, in order
     # to reuse the poetry cache without actually restoring the venv
     - name: Set up python ${{ inputs.python-version }}
       id: setup-python
-      uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6
       with:
         python-version: ${{ inputs.python-version }}
     - name: Load cached Poetry Binary