diff --git a/lib/src/main/java/com/diffplug/spotless/java/GoogleJavaFormatStep.java b/lib/src/main/java/com/diffplug/spotless/java/GoogleJavaFormatStep.java
index 0911c1d48d..6a48924170 100644
--- a/lib/src/main/java/com/diffplug/spotless/java/GoogleJavaFormatStep.java
+++ b/lib/src/main/java/com/diffplug/spotless/java/GoogleJavaFormatStep.java
@@ -35,7 +35,7 @@ private GoogleJavaFormatStep() {}
 	private static final boolean DEFAULT_REORDER_IMPORTS = false;
 	private static final boolean DEFAULT_FORMAT_JAVADOC = true;
 	static final String NAME = "google-java-format";
-	static final String MAVEN_COORDINATE = "com.google.googlejavaformat:google-java-format";
+	public static final String MAVEN_COORDINATE = "com.google.googlejavaformat:google-java-format";
 
 	/** Creates a step which formats everything - code, import order, and unused imports. */
 	public static FormatterStep create(Provisioner provisioner) {
diff --git a/lib/src/main/java/com/diffplug/spotless/java/PalantirJavaFormatStep.java b/lib/src/main/java/com/diffplug/spotless/java/PalantirJavaFormatStep.java
index 2c3b84c40d..8cb828c624 100644
--- a/lib/src/main/java/com/diffplug/spotless/java/PalantirJavaFormatStep.java
+++ b/lib/src/main/java/com/diffplug/spotless/java/PalantirJavaFormatStep.java
@@ -29,7 +29,7 @@ private PalantirJavaFormatStep() {}
 
 	private static final String DEFAULT_STYLE = "PALANTIR";
 	private static final String NAME = "palantir-java-format";
-	private static final String MAVEN_COORDINATE = "com.palantir.javaformat:palantir-java-format:";
+	public static final String MAVEN_COORDINATE = "com.palantir.javaformat:palantir-java-format:";
 	private static final Jvm.Support<String> JVM_SUPPORT = Jvm.<String> support(NAME).add(8, "1.1.0").add(11, "2.28.0").add(21, "2.38.0");
 
 	/** Creates a step which formats everything - code, import order, and unused imports. */
diff --git a/plugin-gradle/src/main/java/com/diffplug/gradle/spotless/GradleProvisioner.java b/plugin-gradle/src/main/java/com/diffplug/gradle/spotless/GradleProvisioner.java
index 9003445ddd..6bb8c1b50e 100644
--- a/plugin-gradle/src/main/java/com/diffplug/gradle/spotless/GradleProvisioner.java
+++ b/plugin-gradle/src/main/java/com/diffplug/gradle/spotless/GradleProvisioner.java
@@ -36,6 +36,8 @@
 import com.diffplug.common.base.Unhandled;
 import com.diffplug.common.collect.ImmutableList;
 import com.diffplug.spotless.Provisioner;
+import com.diffplug.spotless.java.GoogleJavaFormatStep;
+import com.diffplug.spotless.java.PalantirJavaFormatStep;
 
 /** Should be package-private. */
 class GradleProvisioner {
@@ -117,7 +119,16 @@ private static Provisioner forConfigurationContainer(Project project, Configurat
 						+ new Request(withTransitives, mavenCoords).hashCode());
 				mavenCoords.stream()
 						.map(dependencies::create)
-						.forEach(config.getDependencies()::add);
+						.forEach(dependency -> {
+							config.getDependencies().add(dependency);
+							String coordinate = dependency.getGroup() + ":" + dependency.getName();
+							if (coordinate.startsWith(GoogleJavaFormatStep.MAVEN_COORDINATE) ||
+									coordinate.startsWith(PalantirJavaFormatStep.MAVEN_COORDINATE)) {
+								// Use Guava 32.1.3, see https://github.com/google/guava/issues/6657.
+								// TODO: May remove this after https://github.com/google/google-java-format/pull/996 and https://github.com/palantir/palantir-java-format/issues/957 are released.
+								config.getDependencies().add(dependencies.create("com.google.guava:guava:32.1.3-jre"));
+							}
+						});
 				config.setDescription(mavenCoords.toString());
 				config.setTransitive(withTransitives);
 				config.setCanBeConsumed(false);
diff --git a/testlib/src/main/java/com/diffplug/spotless/TestProvisioner.java b/testlib/src/main/java/com/diffplug/spotless/TestProvisioner.java
index 04c4476804..53a5cfed30 100644
--- a/testlib/src/main/java/com/diffplug/spotless/TestProvisioner.java
+++ b/testlib/src/main/java/com/diffplug/spotless/TestProvisioner.java
@@ -25,6 +25,7 @@
 import java.util.Map;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
+import java.util.stream.Stream;
 
 import org.gradle.api.Project;
 import org.gradle.api.artifacts.Configuration;
@@ -41,6 +42,8 @@
 import com.diffplug.common.base.Suppliers;
 import com.diffplug.common.collect.ImmutableSet;
 import com.diffplug.common.io.Files;
+import com.diffplug.spotless.java.GoogleJavaFormatStep;
+import com.diffplug.spotless.java.PalantirJavaFormatStep;
 
 public class TestProvisioner {
 	public static Project gradleProject(File dir) {
@@ -65,7 +68,15 @@ private static Provisioner createWithRepositories(Consumer<RepositoryHandler> re
 		Project project = TestProvisioner.gradleProject(tempDir);
 		repoConfig.accept(project.getRepositories());
 		return (withTransitives, mavenCoords) -> {
-			Dependency[] deps = mavenCoords.stream()
+			boolean forceGuava = mavenCoords.stream().anyMatch(coordinate -> coordinate.startsWith(GoogleJavaFormatStep.MAVEN_COORDINATE) ||
+					coordinate.startsWith(PalantirJavaFormatStep.MAVEN_COORDINATE));
+			Stream<String> coordinateStream = mavenCoords.stream();
+			if (forceGuava) {
+				// Use Guava 32.1.3, see https://github.com/google/guava/issues/6657.
+				// TODO: May remove this after https://github.com/google/google-java-format/pull/996 and https://github.com/palantir/palantir-java-format/issues/957 are released.
+				coordinateStream = Stream.concat(coordinateStream, Stream.of("com.google.guava:guava:32.1.3-jre"));
+			}
+			Dependency[] deps = coordinateStream
 					.map(project.getDependencies()::create)
 					.toArray(Dependency[]::new);
 			Configuration config = project.getConfigurations().detachedConfiguration(deps);