diff --git a/.swift-version b/.swift-version
index a59fa4e..3c18da7 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-swift-2.2-SNAPSHOT-2015-12-18-a
+swift-2.2-SNAPSHOT-2015-12-22-a
diff --git a/Sources/Arbiter.swift b/Sources/Arbiter.swift
index c3ae865..a67233a 100644
--- a/Sources/Arbiter.swift
+++ b/Sources/Arbiter.swift
@@ -134,14 +134,14 @@ class Arbiter<Worker : WorkerType> {
 
   /// Increases the amount of workers by one
   func handleTTIN() {
-    ++numberOfWorkers
+    numberOfWorkers += 1
     manageWorkers()
   }
 
   /// Decreases the amount of workers by one
   func handleTTOU() {
     if numberOfWorkers > 1 {
-      --numberOfWorkers
+      numberOfWorkers -= 1
       manageWorkers()
     }
   }
diff --git a/Sources/HTTPParser.swift b/Sources/HTTPParser.swift
index 5109b86..07de27f 100644
--- a/Sources/HTTPParser.swift
+++ b/Sources/HTTPParser.swift
@@ -177,7 +177,7 @@ extension String {
 
     while !scanner.isEmpty && scans <= maxSeparator {
       components.append(scanner.scan(until: separator))
-      ++scans
+      scans += 1
     }
 
     return components