diff --git a/Dockerfile b/Dockerfile
index f61c4bd6..5021b155 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@
 
 # Image for building and running tests against the source code of
 # the FHIR Access Proxy.
-FROM maven:3.8.5-openjdk-11 as build
+FROM maven:3.8.7-eclipse-temurin-17-focal as build
 
 RUN apt-get update && apt-get install -y nodejs npm
 RUN npm cache clean -f && npm install -g n && n stable
@@ -38,7 +38,7 @@ RUN mvn --batch-mode package -Pstandalone-app -Dlicense.skip=true
 
 
 # Image for FHIR Access Proxy binary with configuration knobs as environment vars.
-FROM eclipse-temurin:11-jdk-focal as main
+FROM eclipse-temurin:17-jdk-focal as main
 
 COPY --from=build /app/exec/target/exec-0.1.1.jar /
 COPY resources/hapi_page_url_allowed_queries.json resources/hapi_page_url_allowed_queries.json
diff --git a/pom.xml b/pom.xml
index d34ab307..03aeb414 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,13 +74,13 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <spotless.version>2.32.0</spotless.version>
     <root.basedir>${project.basedir}</root.basedir>
-    <maven.compiler.source>11</maven.compiler.source>
-    <maven.compiler.target>11</maven.compiler.target>
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
     <!-- Check this for why we are not using a higher version for now:
       https://www.slf4j.org/codes.html#StaticLoggerBinder
       The root cause is that we are using an older version of Spring. -->
-    <slf4j.version>1.7.36</slf4j.version>
-    <logback.version>1.2.11</logback.version>
+    <slf4j.version>2.0.7</slf4j.version>
+    <logback.version>1.4.6</logback.version>
     <license-maven-plugin.version>4.1</license-maven-plugin.version>
   </properties>
 
@@ -255,7 +255,7 @@
 
             <!-- apply a specific flavor of google-java-format and reflow long strings -->
             <googleJavaFormat>
-              <version>1.8</version>
+              <version>1.15.0</version>
               <style>GOOGLE</style>
               <reflowLongStrings>true</reflowLongStrings>
             </googleJavaFormat>
diff --git a/server/src/main/java/com/google/fhir/gateway/interfaces/AccessDecision.java b/server/src/main/java/com/google/fhir/gateway/interfaces/AccessDecision.java
index cc49026f..edaf5ccc 100644
--- a/server/src/main/java/com/google/fhir/gateway/interfaces/AccessDecision.java
+++ b/server/src/main/java/com/google/fhir/gateway/interfaces/AccessDecision.java
@@ -21,7 +21,9 @@
 
 public interface AccessDecision {
 
-  /** @return true iff access was granted. */
+  /**
+   * @return true iff access was granted.
+   */
   boolean canAccess();
 
   /**
diff --git a/server/src/main/java/com/google/fhir/gateway/interfaces/RequestMutation.java b/server/src/main/java/com/google/fhir/gateway/interfaces/RequestMutation.java
index d1daaee6..fdcac3dd 100644
--- a/server/src/main/java/com/google/fhir/gateway/interfaces/RequestMutation.java
+++ b/server/src/main/java/com/google/fhir/gateway/interfaces/RequestMutation.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2021-2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.google.fhir.gateway.interfaces;
 
 import java.util.HashMap;