diff --git a/src/main/java/net/fabricmc/loom/providers/ForgeUserdevProvider.java b/src/main/java/net/fabricmc/loom/providers/ForgeUserdevProvider.java
index 58d27204..e1e8a19b 100644
--- a/src/main/java/net/fabricmc/loom/providers/ForgeUserdevProvider.java
+++ b/src/main/java/net/fabricmc/loom/providers/ForgeUserdevProvider.java
@@ -31,6 +31,7 @@ import java.nio.file.FileSystem;
 import java.nio.file.FileSystems;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
 import java.util.function.Consumer;
 
 import com.google.common.collect.ImmutableMap;
@@ -60,10 +61,10 @@ public class ForgeUserdevProvider extends DependencyProvider {
 
 		if (!userdevJar.exists() || Files.notExists(configJson) || isRefreshDeps()) {
 			File resolved = dependency.resolveFile().orElseThrow(() -> new RuntimeException("Could not resolve Forge userdev"));
-			Files.copy(resolved.toPath(), userdevJar.toPath());
+			Files.copy(resolved.toPath(), userdevJar.toPath(), StandardCopyOption.REPLACE_EXISTING);
 
 			try (FileSystem fs = FileSystems.newFileSystem(new URI("jar:" + resolved.toURI()), ImmutableMap.of("create", false))) {
-				Files.copy(fs.getPath("config.json"), configJson);
+				Files.copy(fs.getPath("config.json"), configJson, StandardCopyOption.REPLACE_EXISTING);
 			}
 		}