diff --git a/.github/workflows/ci-build-test.yml b/.github/workflows/ci-build-test.yml
index c3b583a7cc..c476efa8a1 100644
--- a/.github/workflows/ci-build-test.yml
+++ b/.github/workflows/ci-build-test.yml
@@ -3,14 +3,14 @@ on: [push, pull_request]
 jobs:
   check_java_latest:
     runs-on: ubuntu-latest
-    name: Java 17
+    name: Java 25
     
     steps:
       - uses: actions/checkout@v3
       - name: Set up JDK
         uses: actions/setup-java@v3
         with:
-          java-version: 17
+          java-version: 25
           distribution: 'zulu'
 
       - name: Gradle cache
@@ -19,23 +19,23 @@ jobs:
           path: |
             ~/.gradle/caches
             ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-jdk17-${{ hashFiles('**/*.gradle*') }}
+          key: ${{ runner.os }}-gradle-jdk25-${{ hashFiles('**/*.gradle*') }}
           restore-keys: |
-            ${{ runner.os }}-gradle-jdk17
+            ${{ runner.os }}-gradle-jdk25
             
       - name: Compile with Gradle
         run: ./gradlew assemble
   
-  check_java11:
+  check_java_minimum:
     runs-on: ubuntu-latest
-    name: Java 11
+    name: Java 17
     
     steps:
       - uses: actions/checkout@v3
       - name: Set up JDK
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'zulu'
 
       - name: Gradle cache
@@ -44,9 +44,9 @@ jobs:
           path: |
             ~/.gradle/caches
             ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-jdk11-${{ hashFiles('**/*.gradle*') }}
+          key: ${{ runner.os }}-gradle-jdk17-${{ hashFiles('**/*.gradle*') }}
           restore-keys: |
-            ${{ runner.os }}-gradle-jdk11
+            ${{ runner.os }}-gradle-jdk17
             
       - name: Compile with Gradle
         run: ./gradlew assemble
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 55321cbcb5..6211506529 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'zulu'
 
       - name: Gradle cache
@@ -21,9 +21,9 @@ jobs:
           path: |
             ~/.gradle/caches
             ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-jdk11-${{ hashFiles('**/*.gradle*') }}
+          key: ${{ runner.os }}-gradle-jdk17-${{ hashFiles('**/*.gradle*') }}
           restore-keys: |
-            ${{ runner.os }}-gradle-jdk11
+            ${{ runner.os }}-gradle-jdk17
             
       - name: Create Artifacts
         run: |
diff --git a/README.md b/README.md
index 9243606110..990ee3893b 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ These instructions are intended for those wishing to examine the Synthea source
 ### Installation
 
 **System Requirements:**
-Synthea<sup>TM</sup> requires Java JDK 11 or newer. We strongly recommend using a Long-Term Support (LTS) release of Java, 11 or 17, as issues may occur with more recent non-LTS versions.
+Synthea<sup>TM</sup> requires Java JDK 17 or newer. We strongly recommend using a Long-Term Support (LTS) release of Java, 17 or 25, as issues may occur with more recent non-LTS versions.
 
 To clone the Synthea<sup>TM</sup> repo, then build and run the test suite:
 ```
diff --git a/build.gradle b/build.gradle
index c92c47d76d..01f3da5643 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,7 @@ buildscript {
   }
   dependencies {
     // commons-io used in getting the version id below
-    classpath group: 'commons-io', name: 'commons-io', version: '2.5'
+    classpath 'commons-io:commons-io:2.5'
     // note that commons-io is already a dependency
     // of commons-csv in the primary dependencies above
   }
@@ -86,9 +86,9 @@ dependencies {
   implementation 'guru.nidi:graphviz-java:0.18.1'
   // JavaScript engine included for graphviz. It gets used
   // if someone does not have graphviz installed in their environment
-  implementation 'org.graalvm.js:js:22.3.3'
-  implementation 'org.graalvm.js:js-scriptengine:22.3.3'
-  implementation 'org.graalvm.sdk:graal-sdk:22.3.3'
+  implementation 'org.graalvm.js:js:25.0.1'
+  implementation 'org.graalvm.js:js-scriptengine:25.0.1'
+  implementation 'org.graalvm.sdk:graal-sdk:25.0.1'
 
   // CSV Stuff
   implementation 'org.apache.commons:commons-csv:1.9.0'
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 2c3521197d..f8e1ee3125 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index d4081da476..23449a2b54 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index f5feea6d6b..adff685a03 100755
--- a/gradlew
+++ b/gradlew
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -86,8 +86,7 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
-' "$PWD" ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -115,7 +114,6 @@ case "$( uname )" in                #(
   NONSTOP* )        nonstop=true ;;
 esac
 
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 
 # Determine the Java command to use to start the JVM.
@@ -173,7 +171,6 @@ fi
 # For Cygwin or MSYS, switch paths to Windows format before running java
 if "$cygwin" || "$msys" ; then
     APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
-    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
 
     JAVACMD=$( cygpath --unix "$JAVACMD" )
 
@@ -206,15 +203,14 @@ fi
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 # Collect all arguments for the java command:
-#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
 #     and any embedded shellness will be escaped.
 #   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
 #     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
-        -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
         "$@"
 
 # Stop when "xargs" is not available.
diff --git a/gradlew.bat b/gradlew.bat
index 9b42019c79..e509b2dd8f 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -70,11 +70,10 @@ goto fail
 :execute
 @rem Setup the command line
 
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
 
 :end
 @rem End local scope for the variables with windows NT shell