diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 8df9cd7..d40a60b 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -10,7 +10,6 @@ jobs:
   install-dependencies:
     name: Installing Dependencies
     runs-on: ubuntu-latest
-    container: ghcr.io/gravity-sim/deps:latest
     steps:
       - uses: actions/checkout@v4
       - name: Cache build artifacts
@@ -21,14 +20,15 @@ jobs:
             tests/*.o
           key: ${{ runner.os }}-build-${{ hashFiles('**/*.c') }}
           restore-keys: ${{ runner.os }}-build-
-      - name: Setup complete
-        run: echo "Dependencies are pre-installed in the container"
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential libgl1-mesa-dev libglew-dev libglfw3-dev libopenmpi-dev
 
   build:
     name: Build
     runs-on: ubuntu-latest
     needs: install-dependencies
-    container: ghcr.io/gravity-sim/deps:latest
     steps:
       - uses: actions/checkout@v4
       - name: Restore build cache
@@ -46,7 +46,6 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     needs: build
-    container: ghcr.io/gravity-sim/deps:latest
     steps:
       - uses: actions/checkout@v4
       - name: Restore build cache
@@ -59,22 +58,11 @@ jobs:
           restore-keys: ${{ runner.os }}-build-
       - name: Test
         run: make test
-
   make:
     name: Make
     runs-on: ubuntu-latest
     needs: test
-    container: ghcr.io/gravity-sim/deps:latest
     steps:
-    - uses: actions/checkout@v4
-    - name: Install dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y build-essential libgl1-mesa-dev libglew-dev libglfw3-dev libopenmpi-dev
-    - name: Build
-      run: make
-    - name: Test
-      run: make test
       - uses: actions/checkout@v4
       - name: Restore build cache
         uses: actions/cache@v3
diff --git a/README.md b/README.md
index 5370b9c..1b87ed1 100644
--- a/README.md
+++ b/README.md
@@ -77,11 +77,10 @@ To set up and compile the project on your local machine, follow these steps:
 
 ## Continuous Integration
 
-This project uses a GitHub Actions workflow that runs inside a prebuilt Docker
-container containing all required OpenGL dependencies. The workflow consists of
-four sequential jobs: **Installing Dependencies**, **Build**, **Test**, and
-**Make**. Compiled object files are cached between jobs to speed up subsequent
-steps.
+This project uses a GitHub Actions workflow with four sequential jobs:
+**Installing Dependencies**, **Build**, **Test**, and **Make**. Each job
+installs the required packages with `apt-get`, and compiled object files are
+cached between jobs to speed up subsequent runs.
 
 ## Usage