diff --git a/build.gradle b/build.gradle
index a5100390fb..e8880c657d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -153,6 +153,12 @@ tasks.coveralls {
   onlyIf { System.env.'CI' && !JavaVersion.current().isJava9Compatible() }
 }
 
-dependencyUpdates.resolutionStrategy {
-  force testLibraries.truth
+def isNonStable = { String version ->
+  def stableKeyword = ['RELEASE', 'FINAL', 'GA'].any { it -> version.toUpperCase().contains(it) }
+  def regex = /^[0-9,.v-]+(-r)?$/
+  return !stableKeyword && !(version ==~ regex)
+}
+
+dependencyUpdates.rejectVersionIf {
+  it.candidate.group == 'org.slf4j' && isNonStable(it.candidate.version)
 }
diff --git a/caffeine/build.gradle b/caffeine/build.gradle
index 430f044b94..55d37dccb5 100644
--- a/caffeine/build.gradle
+++ b/caffeine/build.gradle
@@ -66,10 +66,6 @@ dependencies {
   javaPoetImplementation libraries.googleJavaFormat
 }
 
-java {
-  withSourcesJar()
-}
-
 compileCodeGenJava {
   gradle.taskGraph.whenReady {
     enabled = gradle.taskGraph.hasTask('uploadArchives')
diff --git a/caffeine/src/main/java/com/github/benmanes/caffeine/cache/BoundedLocalCache.java b/caffeine/src/main/java/com/github/benmanes/caffeine/cache/BoundedLocalCache.java
index 45d83607d4..f586d56214 100644
--- a/caffeine/src/main/java/com/github/benmanes/caffeine/cache/BoundedLocalCache.java
+++ b/caffeine/src/main/java/com/github/benmanes/caffeine/cache/BoundedLocalCache.java
@@ -2086,6 +2086,17 @@ public Map<K, V> getAllPresent(Iterable<? extends K> keys) {
         if (prior == null) {
           afterWrite(new AddTask(node, newWeight));
           return null;
+        } else if (onlyIfAbsent) {
+          // An optimistic fast path to avoid unnecessary locking
+          V currentValue = prior.getValue();
+          if ((currentValue != null) && !hasExpired(prior, now)) {
+            if (!isComputingAsync(prior)) {
+              tryExpireAfterRead(prior, key, currentValue, expiry(), now);
+              setAccessTime(prior, now);
+            }
+            afterRead(prior, now, /* recordHit */ false);
+            return currentValue;
+          }
         }
       } else if (onlyIfAbsent) {
         // An optimistic fast path to avoid unnecessary locking
diff --git a/checksum.xml b/checksum.xml
index 488814600a..f6f92c2708 100644
--- a/checksum.xml
+++ b/checksum.xml
@@ -8,6 +8,7 @@
   <trusted-keys>
     <trusted-key id='36feecf06c2da10b' group='biz.aQute.bnd' />
     <trusted-key id='52e6585e0102b84d' group='biz.aQute.bnd' />
+    <trusted-key id='c5cc0278b1ee1c33' group='biz.aQute.bnd' />
     <trusted-key id='2189ca6247f3dee5' group='com.android.tools' />
     <trusted-key id='2189ca6247f3dee5' group='com.android.tools.build' />
     <trusted-key id='2189ca6247f3dee5' group='com.android.tools.ddms' />
@@ -45,6 +46,7 @@
     <trusted-key id='9a259c7ee636c5ed' group='com.google.googlejavaformat' />
     <trusted-key id='abe9f3126bb741c1' group='com.google.guava' />
     <trusted-key id='f6d4a1d411e9d1ae' group='com.google.guava' />
+    <trusted-key id='0a2496e4955cac56' group='com.google.inject' />
     <trusted-key id='f0df21d1d0a3c384' group='com.google.inject' />
     <trusted-key id='29579f18fa8fd93b' group='com.google.j2objc' />
     <trusted-key id='a7764f502a938c99' group='com.google.protobuf' />
@@ -139,6 +141,7 @@
     <trusted-key id='9ae296fd02e9f65b' group='org.apache.commons' />
     <trusted-key id='a2115ae15f6b8b72' group='org.apache.commons' />
     <trusted-key id='3fcf529ff2f27a06' group='org.apache.felix' />
+    <trusted-key id='8d37f2f060a1af50' group='org.apache.felix' />
     <trusted-key id='9054823a859a7237' group='org.apache.felix' />
     <trusted-key id='bff2ee42c8282e76' group='org.apache.felix' />
     <trusted-key id='de78987a9cd4d9d3' group='org.apache.htrace' />
@@ -216,9 +219,11 @@
     <trusted-key id='cfca4a29d26468de' group='org.sonarsource.scanner.api' />
     <trusted-key id='cfca4a29d26468de' group='org.sonarsource.scanner.gradle' />
     <trusted-key id='9440c8d6decafa12' group='org.testng' />
+    <trusted-key id='dddafa7674e54418' group='org.testng' />
     <trusted-key id='72385ff0af338d52' group='org.threeten' />
     <trusted-key id='38ee757d69184620' group='org.tukaani' />
     <trusted-key id='04633a577c200941' group='org.vafer' />
+    <trusted-key id='e0130a3ed5a2079e' group='org.webjars' />
     <trusted-key id='55c7e5e701832382' group='org.yaml' />
     <trusted-key id='e65e11d40d80db7c' group='site.ycsb' />
     <trusted-key id='a840320c83d56348' group='systems.comodal' />
@@ -301,6 +306,9 @@
     <dependency group='com.github.ben-manes' module='gradle-versions-plugin' version='0.36.0'>
       <sha512>D57AC7E2C3AB7135504C2ADED5E622032AB03905EF259645A0EE2B0D3B9868BC15131AD50027F47044F710DBA681AD2A54B669451C795E8189378AD2525D4E44</sha512>
     </dependency>
+    <dependency group='com.github.ben-manes' module='gradle-versions-plugin' version='0.38.0'>
+      <sha512>C1AB30AA9984AAF40E0DEF6474F535875ABCCA1568E6D495317D1092B782AC39D13505BBBD50877589610A59273AC89ADE0B68EEE0501961C1AF17CA5D509178</sha512>
+    </dependency>
     <dependency group='com.github.brianfrankcooper.YCSB' module='core' version='0.15.0'>
       <sha512>DF5BFED7DFC327166FE0CB81BD6A9655F44CCB268E7E69204BD09955147CE9A97EBBCC28F9ACF315DBAF49E850A43CE8744F44E68D7BE816EACCAF0BEE41B203</sha512>
     </dependency>
@@ -376,6 +384,9 @@
     <dependency group='gradle.plugin.com.github.spotbugs.snom' module='spotbugs-gradle-plugin' version='4.6.1'>
       <sha512>97823390838111768E99E68A9EB8E603E528A910850EF58B1A9198828C5DE9C8F4BE53238DBED56C46A2471E5F1871FA4CD1D34F86FA44B4E3643BD3D03901A9</sha512>
     </dependency>
+    <dependency group='gradle.plugin.com.github.spotbugs.snom' module='spotbugs-gradle-plugin' version='4.6.2'>
+      <sha512>A9789681117B1D01021884DB7D0F6367CA3B7F4AC6A4630BC6769DFDF6D1003E49CD7A894D803BFA6244AEE5135F610EEAA4E2E1AD67F8C5196C8B7A1CEEE451</sha512>
+    </dependency>
     <dependency group='gradle.plugin.com.github.spotbugs' module='spotbugs-gradle-plugin' version='2.0.0'>
       <sha512>B3BFAD07E6A3D4D73CBCE802D8614CF4AC84E589166D243D41028DC077F84C027DF4D514F145360405F37DA73A8F2E7B65D90877A9EE1151174D2440530F9051</sha512>
     </dependency>
@@ -460,6 +471,9 @@
     <dependency group='org.checkerframework' module='checkerframework-gradle-plugin' version='0.5.16'>
       <sha512>5A630269AE2E19E48529A5D768DD9C01DCC9A91247A9D24CC777F0D2B79DBA06AC40AEAC4560C57BFCB6BBBD423621313013B742B78C24C8861490C957A4DC92</sha512>
     </dependency>
+    <dependency group='org.checkerframework' module='checkerframework-gradle-plugin' version='0.5.17'>
+      <sha512>6B9620FFEA84B67D27132B6BD8D2EB080C519383CC3187474CABD10EB398BEB259D25974386508AADA1194A2BDAB5D223FAB584AC84E6B03D007EDEBFCBD9A68</sha512>
+    </dependency>
     <dependency group='org.codehaus.groovy.modules.http-builder' module='http-builder' version='0.7.1'>
       <sha512>BC7BC2A514F8CA104A392ECF8736F4A3D316EE988FA91299D33B0AF46134B38E14E4A5061449D17B2DF7A521643E6C02DFA37CC277ED7CAB7CE83C28C00E9719</sha512>
     </dependency>
diff --git a/gradle.properties b/gradle.properties
index 3e97df2e51..073816bf8d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,6 @@
 org.gradle.jvmargs=-Xmx2g -XX:+UseG1GC -XX:SoftRefLRUPolicyMSPerMB=0 -noverify -XX:+HeapDumpOnOutOfMemoryError
 systemProp.org.gradle.internal.publish.checksums.insecure=true
+org.gradle.parallel=true
 org.gradle.daemon=true
 checksumIgnore=true
 nexusUsername=
diff --git a/gradle/dependencies.gradle b/gradle/dependencies.gradle
index f0d59eae9f..babb48a267 100644
--- a/gradle/dependencies.gradle
+++ b/gradle/dependencies.gradle
@@ -25,16 +25,16 @@
  */
 ext {
   versions = [
-    akka: '2.6.12',
+    akka: '2.6.13',
     cache2k: '2.1.1.Alpha',
-    checkerFramework: '3.10.0',
+    checkerFramework: '3.11.0',
     coherence: '20.06',
     commonsCompress: '1.20',
-    commonsLang3: '3.11',
+    commonsLang3: '3.12.0',
     commonsMath3: '3.6.1',
     concurrentlinkedhashmap: '1.4.2',
     config: '1.4.1',
-    ehcache3: '3.9.1',
+    ehcache3: '3.9.2',
     errorprone: '2.5.1',
     errorproneJavac: '9+181-r4173-1',
     elasticSearch: '7.11.1',
@@ -49,7 +49,7 @@ ext {
     javaObjectLayout: '0.14',
     javapoet: '1.13.0',
     jcache: '1.1.1',
-    jmh: '1.27',
+    jmh: '1.28',
     joor: '0.9.13',
     jsr330: '1',
     nullaway: '0.8.0',
@@ -62,28 +62,29 @@ ext {
     univocityParsers: '2.9.1',
     ycsb: '0.17.0',
     xz: '1.8',
-    zstd: '1.4.8-4',
+    zstd: '1.4.8-7',
   ]
   testVersions = [
     awaitility: '4.0.3',
     easymock: '4.2',
+    guice: '5.0.1',
     hamcrest: '2.2',
     jcacheTck: '1.1.1',
-    jctools: '3.2.0',
+    jctools: '3.3.0',
     junit: '4.13.2',
-    mockito: '3.7.7',
+    mockito: '3.8.0',
     paxExam: '4.13.4',
-    testng: '7.3.0',
-    truth: '0.24',
+    testng: '7.4.0',
+    truth: '1.1.2',
     felix: '7.0.0',
-    felixScr: '2.1.24',
+    felixScr: '2.1.26',
     osgiUtilFunction: '1.1.0',
     osgiUtilPromise: '1.1.1',
   ]
   pluginVersions = [
-    bnd: '5.2.0',
-    checkerFramework: '0.5.16',
-    checkstyle: '8.40',
+    bnd: '5.3.0',
+    checkerFramework: '0.5.17',
+    checkstyle: '8.41',
     coveralls: '2.8.4',
     errorprone: '1.3.0',
     jacoco: '0.8.6',
@@ -91,14 +92,14 @@ ext {
     jmhReport: '0.9.0',
     nexusPublish: '1.0.0',
     nullaway: '1.0.2',
-    pmd: '6.31.0',
+    pmd: '6.32.0',
     semanticVersioning: '1.1.0',
     shadow: '6.1.0',
     sonarqube: '3.1.1',
-    spotbugs: '4.2.0',
-    spotbugsPlugin: '4.6.1',
+    spotbugs: '4.2.2',
+    spotbugsPlugin: '4.6.2',
     stats: '0.2.2',
-    versions: '0.36.0',
+    versions: '0.38.0',
   ]
   annotationProcessorVersions = [
     autoValue: '1.7.4',
@@ -181,7 +182,7 @@ ext {
         exclude group: 'junit'
         exclude group: 'guice'
       },
-      'com.google.inject:guice:4.2.3'
+      "com.google.inject:guice:${testVersions.guice}"
     ],
     truth: "com.google.truth:truth:${testVersions.truth}",
   ]
diff --git a/gradle/publish.gradle b/gradle/publish.gradle
index a456b24941..64045edd4f 100644
--- a/gradle/publish.gradle
+++ b/gradle/publish.gradle
@@ -73,9 +73,3 @@ signing {
   useInMemoryPgpKeys(signingKeyId, signingKey, signingPassword)
   sign publishing.publications.mavenJava
 }
-
-javadoc {
-  if (JavaVersion.current().isJava9Compatible()) {
-    options.addBooleanOption('html5', true)
-  }
-}
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 86db1ea852..2dec187ac6 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,4 +1,4 @@
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-bin.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME