diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 14dc31a..0082015 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,6 +68,7 @@ jobs:
         elixir_version:
           - "1.13"
           - "1.14"
+          - "1.15"
     steps:
       - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
@@ -83,3 +84,26 @@ jobs:
             25-
       - run: mix deps.get
       - run: mix test
+  build-otp-26:
+    name: Build and test on OTP 26
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        elixir_version:
+          - "1.14"
+          - "1.15"
+    steps:
+      - uses: actions/checkout@v3
+      - uses: erlef/setup-beam@v1
+        with:
+          elixir-version: ${{ matrix.elixir_version }}
+          otp-version: "26"
+      - uses: actions/cache@v3
+        with:
+          path: deps
+          key: 26-${{ matrix.elixir_version }}-${{ hashFiles('**/mix.lock') }}
+          restore-keys: |
+            26-${{ matrix.elixir_version }}-
+            26-
+      - run: mix deps.get
+      - run: mix test