diff --git a/README.md b/README.md
index 8cdcb70..0ab9206 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ This repository only contains the source code for the module.
 
 ### Set up the prerequisites
 
-1. Download and install Java SE Development Kit (JDK) version 17 (from one of the following locations).
+1. Download and install Java SE Development Kit (JDK) version 21 (from one of the following locations).
 
    * [Oracle](https://www.oracle.com/java/technologies/downloads/)
    
diff --git a/build-config/resources/Ballerina.toml b/build-config/resources/Ballerina.toml
index 2f59bda..06f57fe 100644
--- a/build-config/resources/Ballerina.toml
+++ b/build-config/resources/Ballerina.toml
@@ -9,34 +9,34 @@ icon = "icon.png"
 license = ["Apache-2.0"]
 distribution = "2201.9.0"
 
-[platform.java17]
+[platform.java21]
 graalvmCompatible = true
 
-[[platform.java17.dependency]]
+[[platform.java21.dependency]]
 groupId = "io.ballerina.stdlib"
 artifactId = "crypto-native"
 version = "@toml.version@"
 path = "../native/build/libs/crypto-native-@project.version@.jar"
 
-[[platform.java17.dependency]]
+[[platform.java21.dependency]]
 groupId = "org.bouncycastle"
 artifactId = "bcpkix-jdk18on"
 version = "@bouncycastle.version@"
 path = "./lib/bcpkix-jdk18on-@bouncycastle.version@.jar"
 
-[[platform.java17.dependency]]
+[[platform.java21.dependency]]
 groupId = "org.bouncycastle"
 artifactId = "bcprov-jdk18on"
 version = "@bouncycastle.version@"
 path = "./lib/bcprov-jdk18on-@bouncycastle.version@.jar"
 
-[[platform.java17.dependency]]
+[[platform.java21.dependency]]
 groupId = "org.bouncycastle"
 artifactId = "bcutil-jdk18on"
 version = "@bouncycastle.version@"
 path = "./lib/bcutil-jdk18on-@bouncycastle.version@.jar"
 
-[[platform.java17.dependency]]
+[[platform.java21.dependency]]
 groupId = "org.bouncycastle"
 artifactId = "bcpg-jdk18on"
 version = "@bouncycastle.version@"
diff --git a/gradle.properties b/gradle.properties
index ac5ea3e..34ec681 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,12 +3,12 @@ group=io.ballerina.stdlib
 version=2.7.3-SNAPSHOT
 puppycrawlCheckstyleVersion=10.12.0
 bouncycastleVersion=1.78
-githubSpotbugsVersion=5.0.14
+githubSpotbugsVersion=6.0.18
 githubShadowVersion=7.1.2
 undercouchDownloadVersion=5.4.0
 researchgateReleaseVersion=2.8.0
 ballerinaGradlePluginVersion=2.0.1
 nativeImageVersion=22.2.0
 
-ballerinaLangVersion=2201.9.0
-stdlibTimeVersion=2.4.0
+ballerinaLangVersion=2201.11.0-20241117-133400-a3054b77
+stdlibTimeVersion=2.6.0-20241113-073800-201b904
diff --git a/native/build.gradle b/native/build.gradle
index ed24295..55e1105 100644
--- a/native/build.gradle
+++ b/native/build.gradle
@@ -45,8 +45,11 @@ checkstyle {
 checkstyleMain.dependsOn(":checkstyle:downloadCheckstyleRuleFiles")
 
 spotbugsMain {
-    effort "max"
-    reportLevel "low"
+    def classLoader = plugins["com.github.spotbugs"].class.classLoader
+    def SpotBugsConfidence = classLoader.findLoadedClass("com.github.spotbugs.snom.Confidence")
+    def SpotBugsEffort = classLoader.findLoadedClass("com.github.spotbugs.snom.Effort")
+    effort = SpotBugsEffort.MAX
+    reportLevel = SpotBugsConfidence.LOW
     reportsDir = file("$project.buildDir/reports/spotbugs")
     reports {
         html.enabled true
diff --git a/native/src/main/java/io/ballerina/stdlib/crypto/PgpDecryptionGenerator.java b/native/src/main/java/io/ballerina/stdlib/crypto/PgpDecryptionGenerator.java
index 3b18829..3a4a7bf 100644
--- a/native/src/main/java/io/ballerina/stdlib/crypto/PgpDecryptionGenerator.java
+++ b/native/src/main/java/io/ballerina/stdlib/crypto/PgpDecryptionGenerator.java
@@ -53,7 +53,7 @@
  *
  * @since 2.7.0
  */
-public class PgpDecryptionGenerator {
+public final class PgpDecryptionGenerator {
 
     static {
         if (Objects.isNull(Security.getProvider(BouncyCastleProvider.PROVIDER_NAME))) {