diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 4fc2e1f..9d69587 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -21,6 +21,9 @@ jobs:
       fail-fast: false
       matrix:
         combo:
+          - otp-version: '25.0-rc1'
+            rebar3-version: 'nightly'
+            os: 'ubuntu-latest'
           - otp-version: '24'
             rebar3-version: 'nightly'
             os: 'ubuntu-latest'
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index dc4675b..df95bd8 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -21,6 +21,9 @@ jobs:
       fail-fast: false
       matrix:
         combo:
+          - otp-version: '25.0-rc1'
+            rebar3-version: 'nightly'
+            os: 'windows-latest'
           - otp-version: '24.0.2'
             rebar3-version: '3.16'
             os: 'windows-2019'