diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index 1b3dbc5..1f45a87 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -1,5 +1,6 @@
 name: CI
 on:
+  - push
   - pull_request
 env:
   OTP_VERSION: "24.0"
@@ -90,15 +91,14 @@ jobs:
   macos:
     runs-on: macos-11
     steps:
-      - uses: actions/checkout@v3
-      - name: Install Erlang & Elixir
-        run: |
-          brew install erlang elixir
-          mix local.hex --force
-          mix local.rebar --force
-      - run: mix deps.get
-      - run: mix compile --warnings-as-errors
-      - run: mix test --trace
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - uses: DeterminateSystems/flake-checker-action@main
+      - run: nix develop
+      - run: nix develop --command mix deps.get
+      - run: nix develop --command mix compile --warnings-as-errors
+      - run: nix develop --command mix test --trace
 
   windows:
     runs-on: windows-2019
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
deleted file mode 100644
index 81f8288..0000000
--- a/.github/workflows/nix.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-name: Nix Test
-on:
-  - push
-jobs:
-  linux:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
-      - uses: DeterminateSystems/flake-checker-action@main
-      - run: nix develop
-      - run: |
-          nix develop --command \
-            mix deps.get
-      - run: |
-          nix develop --command \
-            mix compile --warnings-as-errors
-      - run: |
-          nix develop --command \
-            mix test --trace
-
-  macos:
-    runs-on: macos-11
-    steps:
-      - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
-      - uses: DeterminateSystems/flake-checker-action@main
-      - run: nix develop
-      - run: |
-          nix develop --command \
-            mix deps.get
-      - run: |
-          nix develop --command \
-            mix compile --warnings-as-errors
-      - run: |
-          nix develop --command \
-            mix test --trace