diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
new file mode 100644
index 000000000..c9ab2c665
--- /dev/null
+++ b/.github/workflows/coverage.yml
@@ -0,0 +1,48 @@
+name: Java Test Coverage
+
+on:
+  workflow_dispatch:
+    inputs:
+      pr_number:
+        description: 'PR number from upstream repo'
+        required: true
+        type: string
+      upstream_repo:
+        description: 'Upstream repo (owner/name)'
+        required: true
+        default: 'owner/repo-name'  # Change this to your upstream
+
+jobs:
+  test-coverage:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout fork
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      
+      - name: Fetch and checkout upstream PR
+        run: |
+          git remote add upstream https://github.com/${{ inputs.upstream_repo }}.git
+          git fetch upstream pull/${{ inputs.pr_number }}/head:pr-${{ inputs.pr_number }}
+          git checkout pr-${{ inputs.pr_number }}
+      
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: 'maven'
+      
+      - name: Run tests with coverage
+        run: mvn clean test jacoco:report
+            
+      - name: Upload coverage reports
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-pr-${{ inputs.pr_number }}
+          path: |
+            target/site/jacoco/
+            target/coverage/
+          retention-days: 30
diff --git a/pom.xml b/pom.xml
index a3885fdcf..25932f928 100644
--- a/pom.xml
+++ b/pom.xml
@@ -169,6 +169,26 @@
 
     <build>
         <plugins>
+            <plugin>
+            <groupId>org.jacoco</groupId>
+            <artifactId>jacoco-maven-plugin</artifactId>
+            <version>0.8.11</version>
+            <executions>
+                <execution>
+                    <id>prepare-agent</id>
+                    <goals>
+                        <goal>prepare-agent</goal>
+                    </goals>
+                </execution>
+                <execution>
+                    <id>report</id>
+                    <phase>test</phase>
+                    <goals>
+                        <goal>report</goal>
+                    </goals>
+                </execution>
+            </executions>
+        </plugin>
             <plugin>
                 <groupId>com.github.ekryd.sortpom</groupId>
                 <artifactId>sortpom-maven-plugin</artifactId>