diff --git a/source/dub/compilers/utils.d b/source/dub/compilers/utils.d
index 7780203..48e312d 100644
--- a/source/dub/compilers/utils.d
+++ b/source/dub/compilers/utils.d
@@ -83,6 +83,7 @@
 void resolveLibs(ref BuildSettings settings)
 {
 	import std.string : format;
+	import std.array : array;
 
 	if (settings.libs.length == 0) return;
 
diff --git a/source/dub/internal/vibecompat/core/file.d b/source/dub/internal/vibecompat/core/file.d
index afacf52..92b79ae 100644
--- a/source/dub/internal/vibecompat/core/file.d
+++ b/source/dub/internal/vibecompat/core/file.d
@@ -112,20 +112,26 @@
 		removeFile(to);
 	}
 
-	.copy(from.toNativeString(), to.toNativeString());
-
-	// try to preserve ownership/permissions in Posix
-	version (Posix) {
-		import core.sys.posix.sys.stat;
-		import core.sys.posix.unistd;
-		import std.utf;
-		auto cspath = toUTFz!(const(char)*)(from.toNativeString());
-		auto cdpath = toUTFz!(const(char)*)(to.toNativeString());
-		stat_t st;
-		enforce(stat(cspath, &st) == 0, "Failed to get attributes of source file.");
-		if (chown(cdpath, st.st_uid, st.st_gid) != 0)
-			st.st_mode &= ~(S_ISUID | S_ISGID);
-		chmod(cdpath, st.st_mode);
+	static if (is(PreserveAttributes))
+	{
+		.copy(from.toNativeString(), to.toNativeString(), PreserveAttributes.yes);
+	}
+	else
+	{
+		.copy(from.toNativeString(), to.toNativeString());
+		// try to preserve ownership/permissions in Posix
+		version (Posix) {
+			import core.sys.posix.sys.stat;
+			import core.sys.posix.unistd;
+			import std.utf;
+			auto cspath = toUTFz!(const(char)*)(from.toNativeString());
+			auto cdpath = toUTFz!(const(char)*)(to.toNativeString());
+			stat_t st;
+			enforce(stat(cspath, &st) == 0, "Failed to get attributes of source file.");
+			if (chown(cdpath, st.st_uid, st.st_gid) != 0)
+				st.st_mode &= ~(S_ISUID | S_ISGID);
+			chmod(cdpath, st.st_mode);
+		}
 	}
 }
 /// ditto
diff --git a/source/dub/version_.d b/source/dub/version_.d
index 613930c..75c9c36 100644
--- a/source/dub/version_.d
+++ b/source/dub/version_.d
@@ -1,2 +1,2 @@
 module dub.version_;
-enum dubVersion = "v1.1.0";
+enum dubVersion = "v1.1.1-beta.1";