diff --git a/src/main/java/net/fabricmc/loom/configuration/providers/forge/MinecraftPatchedProvider.java b/src/main/java/net/fabricmc/loom/configuration/providers/forge/MinecraftPatchedProvider.java
index 32f10809..03895ecb 100644
--- a/src/main/java/net/fabricmc/loom/configuration/providers/forge/MinecraftPatchedProvider.java
+++ b/src/main/java/net/fabricmc/loom/configuration/providers/forge/MinecraftPatchedProvider.java
@@ -34,7 +34,6 @@ import java.io.OutputStream;
 import java.io.PrintStream;
 import java.io.UncheckedIOException;
 import java.net.URI;
-import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.FileSystem;
 import java.nio.file.FileSystems;
@@ -66,6 +65,7 @@ import net.minecraftforge.binarypatcher.ConsoleTool;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.io.output.NullOutputStream;
 import org.gradle.api.Project;
+import org.gradle.api.file.FileCollection;
 import org.gradle.api.logging.LogLevel;
 import org.gradle.api.logging.Logger;
 import org.gradle.api.plugins.JavaPluginConvention;
@@ -83,7 +83,6 @@ import net.fabricmc.loom.configuration.providers.minecraft.MinecraftMappedProvid
 import net.fabricmc.loom.util.Checksum;
 import net.fabricmc.loom.util.Constants;
 import net.fabricmc.loom.util.DependencyDownloader;
-import net.fabricmc.loom.util.DownloadUtil;
 import net.fabricmc.loom.util.FileSystemUtil;
 import net.fabricmc.loom.util.JarUtil;
 import net.fabricmc.loom.util.ThreadingUtils;
@@ -294,13 +293,14 @@ public class MinecraftPatchedProvider extends DependencyProvider {
 			throw new IllegalStateException("Failed to find mappings '" + mappingsPath[0] + "' in " + mcpProvider.getMcp().getAbsolutePath() + "!");
 		}
 
-		File specialSourceJar = new File(getExtension().getUserCache(), "SpecialSource-1.8.3-shaded.jar");
-		DownloadUtil.downloadIfChanged(new URL("https://repo1.maven.org/maven2/net/md-5/SpecialSource/1.8.3/SpecialSource-1.8.3-shaded.jar"), specialSourceJar, getProject().getLogger(), true);
+		String atDependency = Constants.Dependencies.SPECIAL_SOURCE + Constants.Dependencies.Versions.SPECIAL_SOURCE + ":shaded";
+		// Do getFiles() to resolve it before multithreading it
+		FileCollection classpath = getProject().files(DependencyDownloader.download(getProject(), atDependency).getFiles());
 
 		ThreadingUtils.run(() -> {
-			Files.copy(SpecialSourceExecutor.produceSrgJar(getProject(), "client", specialSourceJar, minecraftProvider.minecraftClientJar.toPath(), tmpSrg[0]), minecraftClientSrgJar.toPath());
+			Files.copy(SpecialSourceExecutor.produceSrgJar(getProject(), "client", classpath, minecraftProvider.minecraftClientJar.toPath(), tmpSrg[0]), minecraftClientSrgJar.toPath());
 		}, () -> {
-				Files.copy(SpecialSourceExecutor.produceSrgJar(getProject(), "server", specialSourceJar, minecraftProvider.minecraftServerJar.toPath(), tmpSrg[0]), minecraftServerSrgJar.toPath());
+				Files.copy(SpecialSourceExecutor.produceSrgJar(getProject(), "server", classpath, minecraftProvider.minecraftServerJar.toPath(), tmpSrg[0]), minecraftServerSrgJar.toPath());
 			});
 	}
 
diff --git a/src/main/java/net/fabricmc/loom/util/Constants.java b/src/main/java/net/fabricmc/loom/util/Constants.java
index 5947f116..2ee721ed 100644
--- a/src/main/java/net/fabricmc/loom/util/Constants.java
+++ b/src/main/java/net/fabricmc/loom/util/Constants.java
@@ -93,6 +93,7 @@ public class Constants {
 		public static final String JAVAX_ANNOTATIONS = "com.google.code.findbugs:jsr305:"; // I hate that I have to add these.
 		public static final String FORGE_RUNTIME = "dev.architectury:architectury-loom-forge-runtime:";
 		public static final String ACCESS_TRANSFORMERS = "net.minecraftforge:accesstransformers:";
+		public static final String SPECIAL_SOURCE = "net.md-5:SpecialSource:";
 
 		private Dependencies() {
 		}
@@ -108,6 +109,7 @@ public class Constants {
 			public static final String JAVAX_ANNOTATIONS = "3.0.2";
 			public static final String FORGE_RUNTIME = "$LOOM_VERSION"; // replaced with current version at build time
 			public static final String ACCESS_TRANSFORMERS = "2.2.0";
+			public static final String SPECIAL_SOURCE = "1.8.3";
 
 			private Versions() {
 			}
diff --git a/src/main/java/net/fabricmc/loom/util/srg/SpecialSourceExecutor.java b/src/main/java/net/fabricmc/loom/util/srg/SpecialSourceExecutor.java
index 11fae1a0..bfdf9332 100644
--- a/src/main/java/net/fabricmc/loom/util/srg/SpecialSourceExecutor.java
+++ b/src/main/java/net/fabricmc/loom/util/srg/SpecialSourceExecutor.java
@@ -24,7 +24,6 @@
 
 package net.fabricmc.loom.util.srg;
 
-import java.io.File;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -37,12 +36,13 @@ import java.util.zip.ZipEntry;
 
 import org.apache.commons.io.IOUtils;
 import org.gradle.api.Project;
+import org.gradle.api.file.FileCollection;
 import org.zeroturnaround.zip.ZipUtil;
 
 import net.fabricmc.loom.LoomGradleExtension;
 
 public class SpecialSourceExecutor {
-	public static Path produceSrgJar(Project project, String side, File specialSourceJar, Path officialJar, Path srgPath)
+	public static Path produceSrgJar(Project project, String side, FileCollection specialSourceCp, Path officialJar, Path srgPath)
 			throws Exception {
 		Set<String> filter = Files.readAllLines(srgPath, StandardCharsets.UTF_8).stream()
 				.filter(s -> !s.startsWith("\t"))
@@ -80,7 +80,7 @@ public class SpecialSourceExecutor {
 
 		project.javaexec(spec -> {
 			spec.setArgs(Arrays.asList(args));
-			spec.setClasspath(project.files(specialSourceJar));
+			spec.setClasspath(specialSourceCp);
 			spec.workingDir(workingDir.toFile());
 			spec.setMain("net.md_5.specialsource.SpecialSource");
 			spec.setStandardOutput(System.out);