diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a79c1c2fff..4bd42d0531 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
           elixir-version: ${{matrix.elixir}}
 
       - name: Retrieve Mix Dependencies Cache
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         id: mix-cache # id to use in retrieve action
         with:
           path: deps
@@ -44,7 +44,7 @@ jobs:
         run: mix
 
       - name: Retrieve PLT Cache
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         id: plt-cache
         with:
           path: priv/plts
@@ -89,7 +89,7 @@ jobs:
           elixir-version: ${{matrix.elixir}}
 
       - name: Retrieve Mix Dependencies Cache
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         id: mix-cache # id to use in retrieve action
         with:
           path: deps
diff --git a/.github/workflows/pr.ci.yml b/.github/workflows/pr.ci.yml
index 850ec4ec78..66527aef2b 100644
--- a/.github/workflows/pr.ci.yml
+++ b/.github/workflows/pr.ci.yml
@@ -27,7 +27,7 @@ jobs:
           elixir-version: ${{matrix.elixir}}
 
       - name: Retrieve Mix Dependencies Cache
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         id: mix-cache # id to use in retrieve action
         with:
           path: deps
@@ -41,7 +41,7 @@ jobs:
         run: mix
 
       - name: Retrieve PLT Cache
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         id: plt-cache
         with:
           path: priv/plts
@@ -86,7 +86,7 @@ jobs:
           elixir-version: ${{matrix.elixir}}
 
       - name: Retrieve Mix Dependencies Cache
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         id: mix-cache # id to use in retrieve action
         with:
           path: deps