diff --git a/.github/workflows/casket-pages.yml b/.github/workflows/casket-pages.yml
index 37e9485..1b633cb 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -35,7 +35,7 @@ jobs:
           cabal-version: '3.10'
 
       - name: Cache Cabal
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: |
             ~/.cabal/packages
diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index 97990e6..8a4d148 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -27,7 +27,7 @@ jobs:
           elixir-version: '1.17'
 
       - name: Cache deps
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: deps
           key: deps-${{ hashFiles('mix.lock') }}
diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index 52d4092..5fbd451 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -29,7 +29,7 @@ jobs:
         elixir-version: '1.17'   # [Required] Define the Elixir version
         otp-version: '27'        # [Required] Define the Erlang/OTP version
     - name: Restore dependencies cache
-      uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+      uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
       with:
         path: deps
         key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 4b4e754..9abf263 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@6e502825a508b867ab2954ad6343b68787624c01 # pinned
+        uses: dawidd6/action-send-mail@994f270325d4f7257aff241a35488ef54ba364a4 # pinned
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}