diff --git a/.github/workflows/merge-develop.yml b/.github/workflows/merge-develop.yml
index 60b9f18..d508ce6 100644
--- a/.github/workflows/merge-develop.yml
+++ b/.github/workflows/merge-develop.yml
@@ -11,7 +11,7 @@ jobs:
     if: github.repository == 'NHSDigital/mesh-client' && !contains(github.event.head_commit.message, 'tag release version:')
     steps:
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/merge-release.yml b/.github/workflows/merge-release.yml
index 68850d7..bed9de1 100644
--- a/.github/workflows/merge-release.yml
+++ b/.github/workflows/merge-release.yml
@@ -11,7 +11,7 @@ jobs:
     if: github.repository == 'NHSDigital/mesh-client' && github.actor != 'dependabot[bot]'
     steps:
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index a621fd8..0950139 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -15,7 +15,7 @@ jobs:
     if: github.repository == 'NHSDigital/mesh-client'
     steps:
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
@@ -67,7 +67,7 @@ jobs:
     if: github.repository == 'NHSDigital/mesh-client'
     steps:
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
@@ -190,7 +190,7 @@ jobs:
     if: github.repository == 'NHSDigital/mesh-client'
     steps:
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
@@ -270,7 +270,7 @@ jobs:
       - tox
     steps:
       - name: checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0