diff --git a/lib/java/README.md b/lib/java/README.md
index cd12932..7005c60 100644
--- a/lib/java/README.md
+++ b/lib/java/README.md
@@ -52,7 +52,7 @@
 ```bash
 export GRADLE_VERSION="7.5.1"
 # install dependencies
-apt-get install -y --no-install-recommends openjdk-11-jdk-headless wget unzip
+apt-get install -y --no-install-recommends openjdk-17-jdk-headless wget unzip
 # download gradle distribution
 wget https://services.gradle.org/distributions/gradle-$GRADLE_VERSION-bin.zip -q -O /tmp/gradle-$GRADLE_VERSION-bin.zip
 # check binary integrity
diff --git a/lib/java/gradle/sourceConfiguration.gradle b/lib/java/gradle/sourceConfiguration.gradle
index 47f4ff0..1d4c44c 100644
--- a/lib/java/gradle/sourceConfiguration.gradle
+++ b/lib/java/gradle/sourceConfiguration.gradle
@@ -21,7 +21,7 @@
 // ----------------------------------------------------------------------------
 // Compiler configuration details
 
-// We are using Java 11 toolchain to compile.
+// We are using Java 17 toolchain to compile.
 // This enables decoupling from the Java version that gradle runs, from
 // the actual JDK version for the project. For more details, see
 // https://docs.gradle.org/current/userguide/toolchains.html
@@ -31,7 +31,7 @@
 // also a runtime CI that's based on Java 8 to ensure that.
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(11)
+        languageVersion = JavaLanguageVersion.of(17)
     }
 }
 
@@ -39,8 +39,8 @@
     options.encoding = 'UTF-8'
     options.debug = true
     options.deprecation = true
-    // the following is to build with Java 8 specifications, even when building with JDK9 or later
-    options.release = 8
+    // the following is to build with Java 11 specifications, even when building with later JDK
+    options.release = 11
     options.compilerArgs += [
             '-Werror',
             '-Xlint:deprecation',
diff --git a/lib/java/gradle/unitTests.gradle b/lib/java/gradle/unitTests.gradle
index db9ad82..293bcca 100644
--- a/lib/java/gradle/unitTests.gradle
+++ b/lib/java/gradle/unitTests.gradle
@@ -65,6 +65,8 @@
         outputs.upToDateWhen { false }
     }
 
+    // This is required for Mockito to run under Java 17
+    jvmArgs '--add-opens=java.base/java.lang=ALL-UNNAMED'
     include '**/Test*.class'
     exclude '**/Test*\$*.class'
 
diff --git a/lib/java/src/test/java/org/apache/thrift/transport/TestTSaslTransports.java b/lib/java/src/test/java/org/apache/thrift/transport/TestTSaslTransports.java
index 224da21..d4f8fff 100644
--- a/lib/java/src/test/java/org/apache/thrift/transport/TestTSaslTransports.java
+++ b/lib/java/src/test/java/org/apache/thrift/transport/TestTSaslTransports.java
@@ -492,7 +492,7 @@
 
   public static class SaslAnonymousProvider extends java.security.Provider {
     public SaslAnonymousProvider() {
-      super("ThriftSaslAnonymous", 1.0, "Thrift Anonymous SASL provider");
+      super("ThriftSaslAnonymous", "1.0", "Thrift Anonymous SASL provider");
       put("SaslClientFactory.ANONYMOUS", SaslAnonymousFactory.class.getName());
       put("SaslServerFactory.ANONYMOUS", SaslAnonymousFactory.class.getName());
     }