diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index a29eaeaa..8cd7d3f6 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -11,11 +11,11 @@ permissions:  # added using https://github.com/step-security/secure-workflows
 jobs:
   publish:
     name: Publish Release to HEX PM
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        otp: ['23.3']
-        elixir: ['1.13']
+        otp: ['27.2']
+        elixir: ['1.17']
     env:
       HEX_API_KEY: ${{ secrets.HEX_API_KEY }}
     steps:
@@ -35,7 +35,7 @@ jobs:
         with:
           otp-version: ${{ matrix.otp }}
           elixir-version: ${{ matrix.elixir }}
-      - uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
+      - uses: actions/cache@v4
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8529c1bc..ef607b8b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,11 +13,14 @@ permissions:
 jobs:
   tests:
     name: Run tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        otp: ['23.3']
-        elixir: ['1.11', '1.12']
+        include:
+          - otp: '26.2'
+            elixir: '1.16'
+          - otp: '27.2'
+            elixir: '1.17'
     env:
       MIX_ENV: test
     steps:
@@ -48,7 +51,7 @@ jobs:
           echo "::set-output name=mix_hash::$mix_hash"
 
       - name: Cache dependecies
-        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
+        uses: actions/cache@v4
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ steps.set_vars.outputs.mix_hash }}
@@ -57,7 +60,7 @@ jobs:
 
       - name: Cache PLT files
         id: plt-cache
-        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
+        uses: actions/cache@v4
         with:
           path: |
             _build
diff --git a/mix.exs b/mix.exs
index 22fecb8c..bcf82b12 100644
--- a/mix.exs
+++ b/mix.exs
@@ -41,7 +41,7 @@ defmodule StellarBase.MixProject do
       {:dialyxir, "~> 1.0", only: [:dev, :test], runtime: false},
       {:excoveralls, "~> 0.18.1", only: :test, runtime: false},
       {:castore, "~> 1.0"},
-      {:credo, "~> 1.5", only: [:dev, :test], runtime: false},
+      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
       {:ex_doc, "~> 0.34", only: :dev, runtime: false}
     ]
   end