diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1b7e46a48..815780cf6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ['20.0', '25.3', '26.1']
+        otp: ['20.0', '25', '26', '27.0-rc1']
     runs-on: ubuntu-20.04
     services:
       redis:
@@ -38,7 +38,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Test shell scripts
-      if: matrix.otp == '25.3'
+      if: matrix.otp == '26'
       run: |
         shellcheck test/ejabberd_SUITE_data/gencerts.sh
         shellcheck tools/captcha.sh
@@ -46,7 +46,6 @@ jobs:
         shellcheck -x ejabberdctl.template
 
     - name: Get specific Erlang/OTP
-      if: matrix.otp != '25.3'
       uses: erlef/setup-beam@v1
       with:
         otp-version: ${{ matrix.otp }}
@@ -111,7 +110,7 @@ jobs:
         key: ${{matrix.otp}}-${{hashFiles('rebar.config')}}
 
     - name: Download test logs
-      if: matrix.otp == '25.3' && github.repository == 'processone/ejabberd'
+      if: matrix.otp == '26' && github.repository == 'processone/ejabberd'
       continue-on-error: true
       run: |
         mkdir -p _build/test
@@ -191,7 +190,7 @@ jobs:
         find logs/ -name exunit.log -exec cat '{}' ';'
 
     - name: Send to coveralls
-      if: matrix.otp == '25.3'
+      if: matrix.otp == '26'
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |
diff --git a/.github/workflows/runtime.yml b/.github/workflows/runtime.yml
index 587adb71f..5835fc3a7 100644
--- a/.github/workflows/runtime.yml
+++ b/.github/workflows/runtime.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ['20.3', '25.3', '26']
+        otp: ['20', '25', '26', '27']
         rebar: ['rebar', 'rebar3']
     runs-on: ubuntu-22.04
     container:
@@ -149,7 +149,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ['23.0', '25.3', '26']
+        otp: ['23.0', '25', '26', '27.0-rc1']
         elixir: ['1.13.4', '1.15.7', '1.16']
         exclude:
         - otp: '23.0'
@@ -158,6 +158,8 @@ jobs:
           elixir: '1.16'
         - otp: '26'
           elixir: '1.13.4'
+        - otp: '27.0-rc1'
+          elixir: '1.13.4'
     runs-on: ubuntu-20.04
 
     steps:
@@ -282,7 +284,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ['23.0', '25.3', '26']
+        otp: ['23.0', '25', '26', '27.0-rc1']
         elixir: ['1.13.4', '1.15.7', '1.16']
         exclude:
         - otp: '23.0'
@@ -291,6 +293,8 @@ jobs:
           elixir: '1.16'
         - otp: '26'
           elixir: '1.13.4'
+        - otp: '27.0-rc1'
+          elixir: '1.13.4'
     runs-on: ubuntu-20.04
 
     steps: