diff --git a/source/dub/dependency.d b/source/dub/dependency.d
index 1d2c51f..fe94470 100644
--- a/source/dub/dependency.d
+++ b/source/dub/dependency.d
@@ -77,7 +77,7 @@
 	/** Constructs a new dependency specification that matches a specific
 		version.
 	*/
-	this(in Version ver)
+	this(const Version ver)
 	{
 		m_inclusiveA = m_inclusiveB = true;
 		m_versA = ver;