diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index f025d2d..45eccb7 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -6,12 +6,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK
-      uses: actions/setup-java@v2
-      with:
-        distribution: 'temurin'
-        java-version: '17'
+    - name: Checkout Repository
+      uses: actions/checkout@v4
+    - name: Setup Java
+      run: echo "JAVA_HOME=$JAVA_HOME_17_X64" >> "$GITHUB_ENV"
     - name: Validate gradlew integrity
       uses: gradle/wrapper-validation-action@v1
     - name: Cache
@@ -45,7 +43,7 @@ jobs:
         gpg --local-user "Violet Moon Signing Key" --armor \
           --detach-sign ${{ steps.calculate_artifact_names.outputs.forge }}
     - name: Archive Forge Artifacts
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: Forge
         path: |
diff --git a/src/main/java/org/violetmoon/zeta/registry/ZetaRegistry.java b/src/main/java/org/violetmoon/zeta/registry/ZetaRegistry.java
index 2106b37..a67b0e7 100644
--- a/src/main/java/org/violetmoon/zeta/registry/ZetaRegistry.java
+++ b/src/main/java/org/violetmoon/zeta/registry/ZetaRegistry.java
@@ -285,6 +285,6 @@ protected <O> void trackRegisteredObject(ResourceKey<Registry<O>> keyGeneric, Ho
 	 * Gets all the registered objects from this Zeta
 	 */
 	public <O> Collection<Holder<O>> getRegisteredObjects(ResourceKey<Registry<O>> registry) {
-		return (Collection<Holder<O>>) (Collection) myRegisteredObjects.get((ResourceKey) registry);
+		return (Collection<Holder<O>>) (Collection) myRegisteredObjects.getOrDefault((ResourceKey) registry, List.of());
 	}
 }