diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b4337ad..18fae64 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,36 +17,39 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.15
             otp-version: 25
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.15
             otp-version: 26
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.16
             otp-version: 25
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.16
             otp-version: 26
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.17
             otp-version: 25
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.17
             otp-version: 26
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.17
             otp-version: 27
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.18
             otp-version: 25
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.18
             otp-version: 26
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             elixir-version: 1.18
             otp-version: 27
+          - os: ubuntu-latest
+            elixir-version: 1.18.4
+            otp-version: 28
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
diff --git a/README.md b/README.md
index 3d61600..c636b42 100644
--- a/README.md
+++ b/README.md
@@ -349,6 +349,7 @@ Tests automatically run against a matrix of OTP and Elixir Versions, see the [ci
 | 25           | ✅  | ✅  | ✅  | ✅  |
 | 26           | ✅  | ✅  | ✅  | ✅  |
 | 27           | N/A  | N/A  | ✅  | ✅  |
+| 28           | N/A  | N/A  | N/A  | ✅  |
 
 ## Documentation