diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 77751f4..85af2ca 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -22,10 +22,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'temurin'
 
     # Configure Gradle for optimal use in GiHub Actions, including caching of downloaded dependencies.
@@ -55,10 +55,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'temurin'
 
     # Generates and submits a dependency graph, enabling Dependabot Alerts for all project dependencies.
diff --git a/build.gradle b/build.gradle
index 167028f..09bf6d0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,8 +21,8 @@ subprojects {
     apply plugin: 'com.github.ben-manes.versions'
 
     java {
-        targetCompatibility = JavaVersion.VERSION_17
-        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_21
+        sourceCompatibility = JavaVersion.VERSION_21
     }
 
     repositories {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7568378..fd89b61 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-errorprone = "2.42.0"
+errorprone = "2.43.0"
 jackson = "2.20.1"
 jersey = "3.1.11"
 junit = "6.0.1"