diff --git a/librarymanagement/src/main/contraband/librarymanagement.json b/librarymanagement/src/main/contraband/librarymanagement.json
index 6497a557f..34d1c8e63 100644
--- a/librarymanagement/src/main/contraband/librarymanagement.json
+++ b/librarymanagement/src/main/contraband/librarymanagement.json
@@ -138,11 +138,12 @@
           "namespace": "sbt.librarymanagement",
           "target": "Scala",
           "doc": [
-            "Cross-versions a module using the result of applying `remapVersion` to the binary version.",
-            "For example, if `remapVersion = v => \"2.10\"` and the binary version is \"2.9.2\" or \"2.10\",",
-            "the module is cross-versioned with \"2.10\"."
+            "Cross-versions a module using the result of appending `suffix` to the binary version.",
+            "For example, if `suffix = \"_foo\"` and the binary version is \"2.10\",",
+            "the module is cross-versioned with \"2.10_foo\"."
           ],
-          "type": "record"
+          "type": "record",
+          "fields": [ { "name": "suffix", "type": "String", "default": "\"\"", "since": "0.0.1" } ]
         },
         {
           "name": "Patch",
@@ -150,7 +151,7 @@
           "target": "Scala",
           "doc": [
             "Cross-versions a module by stripping off -bin-suffix.",
-            "This is intented for patch-version compatible alternative replacements."
+            "This is intended for patch-version compatible alternative replacements."
           ],
           "type": "record"
         },
@@ -160,10 +161,11 @@
           "target": "Scala",
           "type": "record",
           "doc": [
-            "Cross-versions a module with the result of applying `remapVersion` to the full version.",
-            "For example, if `remapVersion = v => \"2.10\"` and the full version is \"2.9.2\" or \"2.10.3\",",
-            "the module is cross-versioned with \"2.10\"."
-          ]
+            "Cross-versions a module with the result of appending `suffix` to the full version.",
+            "For example, if `suffix = \"_foo\"` and the full version is \"2.12.1\",",
+            "the module is cross-versioned with \"2.12.1_foo\"."
+          ],
+          "fields": [ { "name": "suffix", "type": "String", "default": "\"\"", "since": "0.0.1" } ]
         }
       ],
       "parentsCompanion": "sbt.librarymanagement.CrossVersionFunctions"
diff --git a/librarymanagement/src/main/scala/sbt/librarymanagement/CrossVersionExtra.scala b/librarymanagement/src/main/scala/sbt/librarymanagement/CrossVersionExtra.scala
index d8d63b7a8..d9227b841 100644
--- a/librarymanagement/src/main/scala/sbt/librarymanagement/CrossVersionExtra.scala
+++ b/librarymanagement/src/main/scala/sbt/librarymanagement/CrossVersionExtra.scala
@@ -15,9 +15,21 @@ abstract class CrossVersionFunctions {
   /** Cross-versions a module with the full version (typically the full Scala version). */
   def full: CrossVersion = Full()
 
+  /**
+   * Cross-versions a module with the result of appending `suffix` to the full version.
+   * (typically the full Scala version).  See also [[sbt.librarymanagement.Full]]
+   */
+  def fullSuffixed(suffix: String): CrossVersion = Full(suffix)
+
   /** Cross-versions a module with the binary version (typically the binary Scala version).  */
   def binary: CrossVersion = Binary()
 
+  /**
+   * Cross-versions a module with the result of appending `suffix` to the binary version
+   * (typically the binary Scala version).  See also [[sbt.librarymanagement.Binary]].
+   */
+  def binarySuffixed(suffix: String): CrossVersion = Binary(suffix)
+
   /**
    * Cross-versions a module with the full Scala version excluding any `-bin` suffix.
    */
@@ -41,9 +53,9 @@ abstract class CrossVersionFunctions {
   def apply(cross: CrossVersion, fullVersion: String, binaryVersion: String): Option[String => String] =
     cross match {
       case _: Disabled => None
-      case _: Binary   => append(binaryVersion)
+      case b: Binary   => append(binaryVersion + b.suffix)
       case _: Patch    => append(patchFun(fullVersion))
-      case _: Full     => append(fullVersion)
+      case f: Full     => append(fullVersion + f.suffix)
     }
 
   /** Constructs the cross-version function defined by `module` and `is`, if one is configured. */