diff --git a/README.md b/README.md
index 93521152d4..d1e0d3cb3b 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,6 @@ Use Caffeine in a community provided integration:
  * [ScalaCache][scala-cache]: Simple caching in Scala
  * [Camel][camel]: Routing and mediation engine
  * [JHipster][jhipster]: Generate, develop, deploy
- * [Druid][druid]: Real-time analytics
 
 Powering infrastructure near you:
  * [Dropwizard][dropwizard]: Ops-friendly, high-performance, RESTful APIs
@@ -62,11 +61,12 @@ Powering infrastructure near you:
  * [HBase][hbase]: A distributed, scalable, big data store
  * [Apache Solr][solr]: Blazingly fast enterprise search
  * [Infinispan][infinispan]: Distributed in-memory data grid
+ * [OpenWhisk][open-whisk]: Serverless cloud platform
  * [Corfu][corfu]: A cluster consistency platform
  * [Grails][grails]: Groovy-based web framework
- * [Orbit][orbit]: Virtual actors on the JVM
  * [Finagle][finagle]: Extensible RPC system
  * [Neo4j][neo4j]: Graphs for Everyone
+ * [Druid][druid]: Real-time analytics
 
 ### In the News
 
@@ -130,7 +130,7 @@ Snapshots of the development version are available in
 [finagle]: https://github.com/twitter/finagle
 [druid]: https://druid.apache.org/docs/latest/configuration/index.html#cache-configuration
 [jhipster]: https://www.jhipster.tech/
-[orbit]: https://github.com/orbit/orbit
+[open-whisk]: https://openwhisk.apache.org/
 [camel]: https://github.com/apache/camel/blob/master/components/camel-caffeine/src/main/docs/caffeine-cache-component.adoc
 [corfu]: https://github.com/CorfuDB/CorfuDB
 [akka-http]: https://doc.akka.io/docs/akka-http/current/common/caching.html
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 69ed0bea95..c5d03e1ce1 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
@@ -2006,6 +2006,17 @@ public Map<K, V> getAllPresent(Iterable<?> keys) {
             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;
+        }
       }
 
       V oldValue;
diff --git a/checksum.xml b/checksum.xml
index 832ef9a889..080278fa0a 100644
--- a/checksum.xml
+++ b/checksum.xml
@@ -45,6 +45,7 @@
     <trusted-key id='476634a4694e716a' group='com.googlecode.java-diff-utils' />
     <trusted-key id='72475fd306b9cab7' group='com.googlecode.javaewah' />
     <trusted-key id='80c08b1c29100955' group='com.jakewharton.fliptables' />
+    <trusted-key id='e0cb7823cfd00fbf' group='com.jakewharton.fliptables' />
     <trusted-key id='a50569c7ca7fa1f0' group='com.jcraft' />
     <trusted-key id='52931f4b72b4f54c' group='com.koloboke' />
     <trusted-key id='1063fe98bcecb758' group='com.puppycrawl.tools' />
@@ -204,6 +205,9 @@
     <dependency group='com.github.ben-manes' module='gradle-versions-plugin' version='0.27.0'>
       <sha512>EEA3D1118C6DE8F890AB6A04EA3505C149F99C034C26707C44ED736F6603C6253A03BA07D0361C4D1008E5CE944B0DD7457DC1AF2CD6B01091F6594261DB1F77</sha512>
     </dependency>
+    <dependency group='com.github.ben-manes' module='gradle-versions-plugin' version='0.28.0'>
+      <sha512>6B6E1C845DF98A6EFD07354F7DC2FABB77FFB171F20BE88BC232270AEB0243370B5265E2A310D8CBAC77F83F2B0D11AE8EB59A9ED1F030D5789357DA3899798B</sha512>
+    </dependency>
     <dependency group='com.github.brianfrankcooper.YCSB' module='core' version='0.15.0'>
       <sha512>DF5BFED7DFC327166FE0CB81BD6A9655F44CCB268E7E69204BD09955147CE9A97EBBCC28F9ACF315DBAF49E850A43CE8744F44E68D7BE816EACCAF0BEE41B203</sha512>
     </dependency>
@@ -342,6 +346,9 @@
     <dependency group='org.testng' module='testng' version='7.1.1'>
       <sha512>508B1F1594A3E377DD9AEBA9EF1EF43DA24F22BE488B4AF9EDB719D02814741B47AD69D22A7E8CAF799D847A5CE20DE8B199586958AECA17C79EFDCA8D257E</sha512>
     </dependency>
+    <dependency group='org.testng' module='testng' version='7.2.0'>
+      <sha512>AC7BBD700CB88EDB3E0FC92D7A0D659F42C97E6E0B5E21DD3EC2EC8537841CAEA50E99AC3414026BFE54D89EA72F6F635F964B429EC8A1E5BF6F44101AC58868</sha512>
+    </dependency>
     <dependency group='xerces' module='xercesImpl' version='2.9.1'>
       <sha512>37A13B129F3536A53F2A553151A53997DA6DE7CE4D7231EFEEFD26A68C92BE309666F2EE1F527D3B8C38BC6ADDC9FCCBBDD0D134759FD88667976B0CFF842435</sha512>
     </dependency>
diff --git a/gradle/dependencies.gradle b/gradle/dependencies.gradle
index 673c024ac5..bf88130658 100644
--- a/gradle/dependencies.gradle
+++ b/gradle/dependencies.gradle
@@ -25,11 +25,11 @@
  */
 ext {
   versions = [
-    akka: '2.6.3',
+    akka: '2.6.4',
     cache2k: '1.3.1.Alpha',
-    checkerFramework: '3.1.0',
+    checkerFramework: '3.2.0',
     collision: '0.3.3',
-    commonsCompress: '1.19',
+    commonsCompress: '1.20',
     commonsLang3: '3.9',
     commonsMath3: '3.6.1',
     concurrentlinkedhashmap: '1.4.2',
@@ -37,11 +37,11 @@ ext {
     ehcache3: '3.8.1',
     errorprone: '2.3.4',
     errorproneJavac: '9+181-r4173-1',
-    elasticSearch: '7.5.2',
+    elasticSearch: '7.6.1',
     expiringMap: '0.5.9',
     fastfilter: 'bf0b02297f',
-    fastutil: '8.3.0',
-    flipTables: '1.0.2',
+    fastutil: '8.3.1',
+    flipTables: '1.1.0',
     guava: '28.2-jre',
     jackrabbit: '1.24.0',
     jamm: '0.3.3',
@@ -68,15 +68,15 @@ ext {
     jcacheTck: '1.1.1',
     jctools: '3.0.0',
     junit: '4.13',
-    mockito: '3.2.4',
+    mockito: '3.3.3',
     paxExam: '4.13.1',
-    testng: '7.1.1',
+    testng: '7.2.0',
     truth: '0.24',
   ]
   pluginVersions = [
     apt: '0.21',
     bnd: '5.0.0',
-    checkstyle: '8.29',
+    checkstyle: '8.30',
     coveralls: '2.8.4',
     coverity: '1.0.10',
     errorprone: '1.1.1',
@@ -84,14 +84,14 @@ ext {
     jmh: '0.5.0',
     jmhReport: '0.9.0',
     nullaway: '1.0.1',
-    pmd: '6.21.0',
+    pmd: '6.22.0',
     semanticVersioning: '1.1.0',
     shadow: '5.2.0',
     sonarqube: '2.8.0.1969',
     spotbugs: '4.0.0-RC1',
     spotbugsPlugin: '3.0.0',
     stats: '0.2.2',
-    versions: '0.27.0',
+    versions: '0.28.0',
   ]
 
   libraries = [
@@ -166,7 +166,7 @@ ext {
         exclude group: 'junit'
         exclude group: 'guice'
       },
-      'com.google.inject:guice:4.2.2'
+      'com.google.inject:guice:4.2.3'
     ],
     truth: "com.google.truth:truth:${testVersions.truth}",
   ]
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 54dafaaea7..17bc87bdbb 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,4 +1,4 @@
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-rc-4-bin.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME