diff --git a/checksum.xml b/checksum.xml
index 0e31f3be0e..488814600a 100644
--- a/checksum.xml
+++ b/checksum.xml
@@ -225,6 +225,7 @@
   </trusted-keys>
   <dependencies>
     <dependency group='' module='caffeine_local' version=''>
+      <sha512>4FD71D2654435626B5FC1D5FB47809D322D9AC3AEDE1A45D1A45070B1820C922522C7D1586CD1C074F3F27D9E73C8F51F554AEE0F07A08ECB6593CAF0638825D</sha512>
       <sha512>6CB83B6D5054C63C13AF5FD39F11065556137EDD423385F5D960A656FAFDDF5A5DDCCD1DDEDDAFDCBD511D0FEF005C58FAC9E3FB0BDF1D469AF24450DFBC2325</sha512>
       <sha512>F8FEFDB21CB04D9C229D3C27DC03BDF141A943AED99D29B1349CAFB10758901AE8A564C0C00FF55F574D1CBCE4BEF9E33B6F6CF92B8ABD31A8D98009870DB800</sha512>
     </dependency>
diff --git a/gradle/codeQuality.gradle b/gradle/codeQuality.gradle
index 1de22e6894..a12d2a45df 100644
--- a/gradle/codeQuality.gradle
+++ b/gradle/codeQuality.gradle
@@ -37,7 +37,7 @@ dependencies {
 // Instead we have to download and trick the build to put the jar on the compiler's classpath
 // See the downloadCaffeineLocal() task and https://github.com/gradle/gradle/issues/11625
 task downloadCaffeineLocal() {
-  def url = 'https://repo1.maven.org/maven2/com/github/ben-manes/caffeine/caffeine/2.8.8/caffeine-2.8.8.jar'
+  def url = 'https://repo1.maven.org/maven2/com/github/ben-manes/caffeine/caffeine/2.9.0/caffeine-2.9.0.jar'
   def local = file("${rootDir}/build/libs/caffeine_local.jar")
   if (!local.exists()) {
     local.parentFile.mkdirs()
@@ -46,6 +46,7 @@ task downloadCaffeineLocal() {
 }
 
 javadoc.options.links(
+  'https://checkerframework.org/api/',
   'https://lightbend.github.io/config/latest/api/',
   "https://guava.dev/releases/${versions.guava}/api/docs/",
   "https://docs.oracle.com/en/java/javase/${JavaVersion.current().majorVersion}/docs/api/")