diff --git a/.github/workflows/runtime.yml b/.github/workflows/runtime.yml
index 04663d1d2..c6b99985e 100644
--- a/.github/workflows/runtime.yml
+++ b/.github/workflows/runtime.yml
@@ -32,13 +32,15 @@ jobs:
     runs-on: ubuntu-24.04-arm
     strategy:
       matrix:
-        otp: ['25', '26', '27', '28']
+        otp: ['25', '26', '27', '28', '29']
         rebar: ['rebar', 'rebar3']
         exclude:
         - otp: '27'
           rebar: 'rebar'
         - otp: '28'
           rebar: 'rebar'
+        - otp: '29'
+          rebar: 'rebar'
     container:
       image: public.ecr.aws/docker/library/erlang:${{ matrix.otp }}
 
diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
index 07bd6454c..20b143c93 100644
--- a/.github/workflows/weekly.yml
+++ b/.github/workflows/weekly.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     strategy:
       matrix:
-        otp: ['25', '26', '27', '28']
+        otp: ['25', '26', '27', '28', '29.0-rc1']
 
     steps:
 
@@ -22,8 +22,8 @@ jobs:
       with:
         otp-version: ${{ matrix.otp }}
         hexpm-mirrors: |
-          https://cdn.jsdelivr.net/hex
           https://builds.hex.pm
+      ## https://cdn.jsdelivr.net/hex # Does not include Erlang 29 yet
 
     - uses: awalsh128/cache-apt-pkgs-action@latest
       with: