diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0869fe2bd..b3cfbe823 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -60,11 +60,11 @@ jobs:
       - name: Fetch tags
         run: git fetch --tags --force
 
-      # Install Java 11.
-      - name: Install Java 11
+      # Install Java 17.
+      - name: Install Java 17
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: temurin
 
       # Need to publish to maven local first, so that C++ sim can pick it up
@@ -103,11 +103,11 @@ jobs:
       - name: Fetch tags
         run: git fetch --tags --force
 
-      # Install Java 11.
-      - name: Install Java 11
+      # Install Java 17.
+      - name: Install Java 17
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: temurin
 
       # Run only build tasks, no checks??
@@ -181,10 +181,10 @@ jobs:
         with:
           fetch-depth: 0
 
-      # Install Java 11.
+      # Install Java 17.
       - uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: temurin
 
       # Check server code with Spotless.
@@ -215,7 +215,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: temurin
       - run: git fetch --tags --force
       - run: |
@@ -337,10 +337,10 @@ jobs:
         with:
           fetch-depth: 0
 
-      # Install Java 11.
+      # Install Java 17.
       - uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: temurin
 
       # Clear any existing web resources.
diff --git a/photon-lib/build.gradle b/photon-lib/build.gradle
index 046218f67..631be2778 100644
--- a/photon-lib/build.gradle
+++ b/photon-lib/build.gradle
@@ -16,6 +16,9 @@ test {
     useJUnitPlatform()
 }
 
+sourceCompatibility = JavaVersion.VERSION_11
+targetCompatibility = JavaVersion.VERSION_11
+
 wpilibTools.deps.wpilibVersion = wpilibVersion
 println("Buidling for wpilib ${wpilibTools.deps.wpilibVersion}")
 
diff --git a/photon-targeting/build.gradle b/photon-targeting/build.gradle
index 988e087b9..ec3d4935d 100644
--- a/photon-targeting/build.gradle
+++ b/photon-targeting/build.gradle
@@ -2,9 +2,6 @@ apply plugin: "java"
 
 apply from: "${rootDir}/shared/common.gradle"
 
-sourceCompatibility = 11
-targetCompatibility = 11
-
 dependencies {
     implementation wpilibTools.deps.wpilibJava("wpimath")
     implementation "org.ejml:ejml-simple:0.41"
diff --git a/shared/common.gradle b/shared/common.gradle
index dfdf5fa48..2b8a765bc 100644
--- a/shared/common.gradle
+++ b/shared/common.gradle
@@ -6,7 +6,10 @@ import java.time.format.DateTimeFormatter
 apply plugin: "jacoco"
 apply plugin: "java"
 
-sourceCompatibility = 11
+java {
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
+}
 
 wpilibTools.deps.wpilibVersion = wpilibVersion