diff --git a/build.gradle b/build.gradle
index e762dcae1..7638843f3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,10 +9,10 @@ buildscript {
         classpath 'com.palantir.gradle.jdks:gradle-jdks:0.32.0'
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.7.0'
         classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.12.0'
-        classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.28.0'
+        classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.29.0'
         classpath 'com.palantir.gradle.revapi:gradle-revapi:1.7.0'
         classpath 'com.netflix.nebula:gradle-dependency-lock-plugin:7.0.1'
-        classpath 'com.palantir.baseline:gradle-baseline-java:5.3.0'
+        classpath 'com.palantir.baseline:gradle-baseline-java:5.5.0'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:0.15.0'
         classpath 'com.palantir.metricschema:gradle-metric-schema:0.16.0'
         classpath 'gradle.plugin.org.inferred:gradle-processors:3.7.0'
diff --git a/conjure-java-jackson-serialization/src/main/java/com/palantir/conjure/java/serialization/CaffeineCachingTypeFactory.java b/conjure-java-jackson-serialization/src/main/java/com/palantir/conjure/java/serialization/CaffeineCachingTypeFactory.java
index 365507903..adc9ce5dc 100644
--- a/conjure-java-jackson-serialization/src/main/java/com/palantir/conjure/java/serialization/CaffeineCachingTypeFactory.java
+++ b/conjure-java-jackson-serialization/src/main/java/com/palantir/conjure/java/serialization/CaffeineCachingTypeFactory.java
@@ -159,6 +159,7 @@ private static final class InstrumentedStatsCounter implements StatsCounter {
         private static final StatsCounter INSTANCE =
                 new InstrumentedStatsCounter(SharedTaggedMetricRegistries.getSingleton());
 
+        @SuppressWarnings("UnnecessaryLambda")
         private static final Supplier<StatsCounter> SUPPLIER = () -> INSTANCE;
 
         private final Meter hits;
diff --git a/conjure-java-jackson-serialization/src/test/java/com/palantir/conjure/java/serialization/ObjectMappersTest.java b/conjure-java-jackson-serialization/src/test/java/com/palantir/conjure/java/serialization/ObjectMappersTest.java
index dd788e66b..880567a88 100644
--- a/conjure-java-jackson-serialization/src/test/java/com/palantir/conjure/java/serialization/ObjectMappersTest.java
+++ b/conjure-java-jackson-serialization/src/test/java/com/palantir/conjure/java/serialization/ObjectMappersTest.java
@@ -450,6 +450,7 @@ public void testTypeFactoryCacheMetrics() {
     }
 
     static final class SimpleSerializable {
+        @Override
         @JsonProperty("str")
         public String toString() {
             return "stringValue";