diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index b7e5a78b..1dc859cd 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -15,17 +15,17 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
-        with:
-          java-version: 17
-          distribution: 'temurin'
-          cache: 'maven'
-      - name: Ensure code formatted with mvn spotless:apply
-        run: ./mvnw -DskipTests --batch-mode -no-transfer-progress spotless:check
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: 17
+        distribution: 'temurin'
+        cache: 'maven'
+    - name: Ensure code formatted with mvn spotless:apply
+      run: ./mvnw -DskipTests --batch-mode -no-transfer-progress spotless:check
 
   build:
     name: Java ${{ matrix.jdk }} / ${{ matrix.os }} ${{ matrix.args }}
@@ -36,33 +36,33 @@ jobs:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
         jdk: [ 17 ]
         include:
-          - os: ubuntu-latest
-            jdk: 16
-          - os: ubuntu-latest
-            jdk: 18
-          - os: ubuntu-latest
-            jdk: 17
-            args: "-DargLine='-Duser.language=fr -Duser.country=FR'"
+        - os: ubuntu-latest
+          jdk: 17
+          args: "-DargLine='-Duser.language=fr -Duser.country=FR'"
+        - os: ubuntu-latest
+          jdk: 18
+        - os: ubuntu-latest
+          jdk: 19
     runs-on: ${{ matrix.os }}
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: Set up JDK ${{ matrix.jdk }}
-        uses: actions/setup-java@v3
-        with:
-          java-version: ${{ matrix.jdk }}
-          distribution: 'temurin'
-          cache: 'maven'
-      # Skip spotless since that gets checked in a separate task
-      - name: Build with mvnw (linux/mac)
-        if: ${{ !contains(matrix.os, 'windows') }}
-        run: ./mvnw ${{matrix.args}} -Dspotless.check.skip --batch-mode -no-transfer-progress package verify jib:buildTar --file pom.xml
-      - name: Build with mvnw.cmd (windows)
-        if: ${{ contains(matrix.os, 'windows') }}
-        run: mvnw.cmd ${{matrix.args}} -Dspotless.check.skip --batch-mode -no-transfer-progress package verify jib:buildTar --file pom.xml
-        shell: cmd
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: Set up JDK ${{ matrix.jdk }}
+      uses: actions/setup-java@v3
+      with:
+        java-version: ${{ matrix.jdk }}
+        distribution: 'temurin'
+        cache: 'maven'
+    # Skip spotless since that gets checked in a separate task
+    - name: Build with mvnw (linux/mac)
+      if: ${{ !contains(matrix.os, 'windows') }}
+      run: ./mvnw ${{matrix.args}} -Dspotless.check.skip --batch-mode -no-transfer-progress package verify jib:buildTar --file pom.xml
+    - name: Build with mvnw.cmd (windows)
+      if: ${{ contains(matrix.os, 'windows') }}
+      run: mvnw.cmd ${{matrix.args}} -Dspotless.check.skip --batch-mode -no-transfer-progress package verify jib:buildTar --file pom.xml
+      shell: cmd
 
   examples:
     name: Example project
@@ -70,85 +70,85 @@ jobs:
     timeout-minutes: 15
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
-        with:
-          java-version: 17
-          distribution: 'temurin'
-      - name: Build and test
-        run: mvn --batch-mode -no-transfer-progress package --file standalone.pom.xml
-        working-directory: planetiler-examples
-      - name: Find jar
-        run: mv target/*with-deps.jar ./run.jar
-        working-directory: planetiler-examples
-      - name: Run
-        run: java -jar run.jar --osm-path=../planetiler-core/src/test/resources/monaco-latest.osm.pbf --mbtiles=data/out.mbtiles
-        working-directory: planetiler-examples
-      - name: Verify
-        run: java -cp run.jar com.onthegomap.planetiler.mbtiles.Verify data/out.mbtiles
-        working-directory: planetiler-examples
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: 17
+        distribution: 'temurin'
+    - name: Build and test
+      run: mvn --batch-mode -no-transfer-progress package --file standalone.pom.xml
+      working-directory: planetiler-examples
+    - name: Find jar
+      run: mv target/*with-deps.jar ./run.jar
+      working-directory: planetiler-examples
+    - name: Run
+      run: java -jar run.jar --osm-path=../planetiler-core/src/test/resources/monaco-latest.osm.pbf --mbtiles=data/out.mbtiles
+      working-directory: planetiler-examples
+    - name: Verify
+      run: java -cp run.jar com.onthegomap.planetiler.mbtiles.Verify data/out.mbtiles
+      working-directory: planetiler-examples
 
   run:
     name: Build / Run
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: Cache data/sources
-        uses: ./.github/cache-sources-action
-      - name: Set up JDK
-        uses: actions/setup-java@v3
-        with:
-          java-version: 17
-          distribution: 'temurin'
-          cache: 'maven'
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: Cache data/sources
+      uses: ./.github/cache-sources-action
+    - name: Set up JDK
+      uses: actions/setup-java@v3
+      with:
+        java-version: 17
+        distribution: 'temurin'
+        cache: 'maven'
 
-      - name: Build this branch
-        run: ./mvnw -DskipTests -Dimage.version=CI_ONLY --batch-mode -no-transfer-progress package jib:dockerBuild --file pom.xml
+    - name: Build this branch
+      run: ./mvnw -DskipTests -Dimage.version=CI_ONLY --batch-mode -no-transfer-progress package jib:dockerBuild --file pom.xml
 
-      - name: 'Upload artifact'
-        uses: actions/upload-artifact@v3
-        with:
-          name: planetiler-build
-          path: planetiler-dist/target/*with-deps.jar
+    - name: 'Upload artifact'
+      uses: actions/upload-artifact@v3
+      with:
+        name: planetiler-build
+        path: planetiler-dist/target/*with-deps.jar
 
-      - name: Download data (java)
-        run: java -jar planetiler-dist/target/*with-deps.jar --only-download --area=monaco
+    - name: Download data (java)
+      run: java -jar planetiler-dist/target/*with-deps.jar --only-download --area=monaco
 
-      - name: Download wikidata (java)
-        run: java -jar planetiler-dist/target/*with-deps.jar --only-fetch-wikidata --area=monaco
+    - name: Download wikidata (java)
+      run: java -jar planetiler-dist/target/*with-deps.jar --only-fetch-wikidata --area=monaco
 
-      - name: Verify build
-        run: ./scripts/test-release.sh CI_ONLY
-        env:
-          SKIP_EXAMPLE_PROJECT: true
+    - name: Verify build
+      run: ./scripts/test-release.sh CI_ONLY
+      env:
+        SKIP_EXAMPLE_PROJECT: true
 
   quickstart:
     name: Quickstart script
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: Cache data/sources
-        uses: ./.github/cache-sources-action
-      - name: Set up JDK
-        uses: actions/setup-java@v3
-        with:
-          java-version: 17
-          distribution: 'temurin'
-          cache: 'maven'
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: Cache data/sources
+      uses: ./.github/cache-sources-action
+    - name: Set up JDK
+      uses: actions/setup-java@v3
+      with:
+        java-version: 17
+        distribution: 'temurin'
+        cache: 'maven'
 
-      - name: quickstart.sh --build
-        run: rm -rf data/output.mbtiles data/tmp && ./quickstart.sh monaco --build && ./scripts/check-monaco.sh data/output.mbtiles
-      - name: quickstart.sh --jar
-        run: rm -rf data/output.mbtiles data/tmp && ./quickstart.sh monaco --jar && ./scripts/check-monaco.sh data/output.mbtiles
-      # run docker last since it creates temp dirs with root user
-      - name: quickstart.sh --docker
-        run: rm -rf data/output.mbtiles data/tmp && ./quickstart.sh monaco --docker && ./scripts/check-monaco.sh data/output.mbtiles
+    - name: quickstart.sh --build
+      run: rm -rf data/output.mbtiles data/tmp && ./quickstart.sh monaco --build && ./scripts/check-monaco.sh data/output.mbtiles
+    - name: quickstart.sh --jar
+      run: rm -rf data/output.mbtiles data/tmp && ./quickstart.sh monaco --jar && ./scripts/check-monaco.sh data/output.mbtiles
+    # run docker last since it creates temp dirs with root user
+    - name: quickstart.sh --docker
+      run: rm -rf data/output.mbtiles data/tmp && ./quickstart.sh monaco --docker && ./scripts/check-monaco.sh data/output.mbtiles
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index bccb4dd2..969ad6c7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -11,7 +11,7 @@ Pull requests are welcome! Any pull request should:
 To set up your local development environment:
 
 - Fork the repo [setup submodules](README.md#git-submodules)
-- Install Java 16 or later. You can download Java manually from [Adoptium](https://adoptium.net/installation.html) or
+- Install Java 17 or later. You can download Java manually from [Adoptium](https://adoptium.net/installation.html) or
   use:
   - [Windows installer](https://adoptium.net/installation.html#windows-msi)
   - [macOS installer](https://adoptium.net/installation.html#macos-pkg) (or `brew install --cask temurin`,
@@ -54,7 +54,7 @@ Troubleshooting:
 
 - If any java source files show "Cannot resolve symbol..." errors for Planetiler classes, you might need to
   select: `File -> Invalidate Caches... -> Just Restart`.
-- If you see a "Project JDK is not defined" error, then choose `Setup SDK` and point IntelliJ at the Java 16 or later
+- If you see a "Project JDK is not defined" error, then choose `Setup SDK` and point IntelliJ at the Java 17 or later
   installed on your system
 
 ### Visual Studio Code
diff --git a/PLANET.md b/PLANET.md
index 1a3b97f2..1fd9d4cc 100644
--- a/PLANET.md
+++ b/PLANET.md
@@ -1,8 +1,9 @@
 # Generating a Map of the World
 
-To generate a map of the world using the built-in [OpenMapTiles profile](https://github.com/openmaptiles/planetiler-openmaptiles), you will need a
+To generate a map of the world using the
+built-in [OpenMapTiles profile](https://github.com/openmaptiles/planetiler-openmaptiles), you will need a
 machine with
-Java 16 or later installed and at least 10x as much disk space and at least 0.5x as much RAM as the `planet.osm.pbf`
+Java 17 or later installed and at least 10x as much disk space and at least 0.5x as much RAM as the `planet.osm.pbf`
 file you start from. All testing has been done using Digital Ocean droplets with dedicated
 vCPUs ([referral link](https://m.do.co/c/a947e99aab25)) and OpenJDK 17 installed through `apt`. Planetiler splits work
 among available CPUs so the more you have, the less time it takes.
@@ -21,7 +22,8 @@ First decide where to get the `planet.osm.pbf` file:
   osmium apply-changes daylight.osm.pbf admin.osc.bz2 <buildings.osc.bz2, ...> -o everything.osm.pbf
   osmium renumber everything.osm.pbf -o planet.osm.pbf
   ```
-- If you would like to update your `planet.osm.pbf` file to the latest changes from OpenStreetMap, you can use [pyosmium-up-to-date](https://docs.osmcode.org/pyosmium/latest/tools_uptodate.html):
+- If you would like to update your `planet.osm.pbf` file to the latest changes from OpenStreetMap, you can
+  use [pyosmium-up-to-date](https://docs.osmcode.org/pyosmium/latest/tools_uptodate.html):
 
   ```bash
   pyosmium-up-to-date --size 20000 -v planet.osm.pbf
diff --git a/README.md b/README.md
index d533eba3..2d6303c0 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ the [OpenStreetMap Americana Project](https://github.com/ZeLonewolf/openstreetma
 To generate a map of an area using the [OpenMapTiles profile](https://github.com/openmaptiles/planetiler-openmaptiles),
 you will need:
 
-- Java 16+ (see [CONTRIBUTING.md](CONTRIBUTING.md)) or [Docker](https://docs.docker.com/get-docker/)
+- Java 17+ (see [CONTRIBUTING.md](CONTRIBUTING.md)) or [Docker](https://docs.docker.com/get-docker/)
 - at least 1GB of free disk space plus 5-10x the size of the `.osm.pbf` file
 - at least 0.5x as much free RAM as the input `.osm.pbf` file size
 
diff --git a/planetiler-examples/README.md b/planetiler-examples/README.md
index 176e3d63..3978b59d 100644
--- a/planetiler-examples/README.md
+++ b/planetiler-examples/README.md
@@ -4,7 +4,7 @@ This is a minimal example project that shows how to create custom maps with Plan
 
 Requirements:
 
-- Java 16+ (see [CONTIRBUTING.md](../CONTRIBUTING.md))
+- Java 17+ (see [CONTIRBUTING.md](../CONTRIBUTING.md))
   - on mac: `brew install --cask temurin`
 - [Maven](https://maven.apache.org/install.html)
   - on mac: `brew install maven`
diff --git a/planetiler-examples/standalone.pom.xml b/planetiler-examples/standalone.pom.xml
index 628f1f84..7aec7fdc 100644
--- a/planetiler-examples/standalone.pom.xml
+++ b/planetiler-examples/standalone.pom.xml
@@ -9,8 +9,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.compiler.source>16</maven.compiler.source>
-    <maven.compiler.target>16</maven.compiler.target>
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
     <planetiler.version>0.6-SNAPSHOT</planetiler.version>
     <junit.version>5.9.2</junit.version>
     <!-- Replace this with the main class for the profile you add -->
diff --git a/pom.xml b/pom.xml
index 5416af75..9f00eb74 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,8 +17,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.compiler.source>16</maven.compiler.source>
-    <maven.compiler.target>16</maven.compiler.target>
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
     <maven.source.excludeResources>true</maven.source.excludeResources>
     <jackson.version>2.14.2</jackson.version>
     <junit.version>5.9.2</junit.version>
@@ -203,7 +203,7 @@
           </execution>
         </executions>
       </plugin>
-      <!-- require building with jdk 16 -->
+      <!-- require building with jdk 17 -->
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
@@ -217,7 +217,7 @@
             <configuration>
               <rules>
                 <requireJavaVersion>
-                  <version>16</version>
+                  <version>17</version>
                 </requireJavaVersion>
               </rules>
             </configuration>
diff --git a/quickstart.sh b/quickstart.sh
index 0c298ab6..de0911f9 100755
--- a/quickstart.sh
+++ b/quickstart.sh
@@ -116,7 +116,7 @@ function check_java_version() {
     else
       OUTPUT="$($JAVA -jar "$1" --help 2>&1 || echo OK)"
       if [[ "$OUTPUT" =~ "UnsupportedClassVersionError" ]]; then
-        echo "Wrong version of java installed, need at least 16 but found:"
+        echo "Wrong version of java installed, need at least 17 but found:"
         $JAVA --version
         exit 1
       fi