diff --git a/.github/workflows/templates/test-mixed-versions.template.yaml b/.github/workflows/templates/test-mixed-versions.template.yaml
index 1a946507c949..147a780068a8 100644
--- a/.github/workflows/templates/test-mixed-versions.template.yaml
+++ b/.github/workflows/templates/test-mixed-versions.template.yaml
@@ -94,7 +94,7 @@ jobs:
       uses: erlef/setup-beam@v1.17
       with:
         otp-version: ${{ steps.check.outputs.otp_version }}
-        elixir-version: 1.15
+        elixir-version: 1.14
         hexpm-mirrors: |
           https://builds.hex.pm
           https://cdn.jsdelivr.net/hex
diff --git a/.github/workflows/test-mixed-versions.yaml b/.github/workflows/test-mixed-versions.yaml
index 5389a8ddda79..688bee1917ee 100644
--- a/.github/workflows/test-mixed-versions.yaml
+++ b/.github/workflows/test-mixed-versions.yaml
@@ -72,7 +72,7 @@ jobs:
       uses: erlef/setup-beam@v1.17
       with:
         otp-version: ${{ steps.check.outputs.otp_version }}
-        elixir-version: 1.15
+        elixir-version: 1.14
         hexpm-mirrors: |
           https://builds.hex.pm
           https://cdn.jsdelivr.net/hex