diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3d4b1504d..0a9d9a7b5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,14 +29,27 @@ jobs:
     runs-on: ${{ matrix.runs-on }}
     steps:
       - uses: actions/checkout@v7
+        with:
+          # ratchetFrom needs history reachable to the base/before commit
+          fetch-depth: 0
       - name: Set up JDK ${{ matrix.java-version }}
         uses: actions/setup-java@v5
         with:
           java-version: ${{ matrix.java-version }}
           distribution: 'temurin'
           cache: maven
+      - name: Determine Spotless ratchet ref
+        shell: bash
+        run: |
+          if [ "${{ github.event_name }}" = "pull_request" ]; then
+            ref="${{ github.event.pull_request.base.sha }}"
+          else
+            ref="${{ github.event.before }}"
+            [ "$ref" = "0000000000000000000000000000000000000000" ] && ref=""
+          fi
+          [ -n "$ref" ] && echo "RATCHET=-DratchetFrom=$ref" >> "$GITHUB_ENV"
       - name: Build with Maven
-        run: ./mvnw $mvn_options install -PnoGpg --file pom.xml
+        run: ./mvnw $mvn_options install $RATCHET -PnoGpg --file pom.xml
       - name: Run ProvidersDocsGenerator
         if: ${{ matrix.java-version == env.jdk_for_downstream && matrix.runs-on == env.os_for_downstream }}
         run: ./mvnw $mvn_options exec:java -Dexec.mainClass="net.datafaker.script.ProvidersDocsGenerator" -Dexec.classpathScope=test -PnoGpg --file pom.xml
diff --git a/.gitignore b/.gitignore
index 99fd71d7a..95a329764 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ bin/
 site
 .mvn/wrapper/maven-wrapper.jar
 /.claude/settings.local.json
+.spotless-index-file
diff --git a/pom.xml b/pom.xml
index aec504ab7..7455eb47c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,6 +55,8 @@
         <javaparser.version>3.28.2</javaparser.version>
         <snakeyaml.version>2.6</snakeyaml.version>
         <spotless-maven-plugin.version>3.7.0</spotless-maven-plugin.version>
+        <!-- Empty means scan all, non empty value will be passed from CI -->
+        <spotless.ratchetFrom></spotless.ratchetFrom>
         <!-- Run tests in Turkish to make sure that they don't depend on
                          locale. Turkish is a notoriously tricky locale. -->
         <surefire.argline>@{argLine} -Duser.language=TR -Duser.country=tr</surefire.argline>
@@ -269,6 +271,11 @@
                             </yamlFeatures>
                         </jackson>
                     </yaml>
+                    <upToDateChecking>
+                        <enabled>true</enabled>
+                        <indexFile>${project.basedir}/.spotless-index-file</indexFile>
+                    </upToDateChecking>
+                    <ratchetFrom>${spotless.ratchetFrom}</ratchetFrom>
                 </configuration>
                 <executions>
                     <execution>