diff --git a/.travis.yml b/.travis.yml
index 4f6cc25..8579c5c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ matrix:
   include:
     - os: osx
       language: objective-c
-      osx_image: xcode8.2
+      osx_image: xcode8.3
       before_install:
         - git submodule update --init --recursive
       script:
@@ -14,7 +14,7 @@ matrix:
         - carthage build --no-skip-current
     - os: osx
       language: objective-c
-      osx_image: xcode8
+      osx_image: xcode8.3
       before_install:
         - git submodule update --init --recursive
       script:
@@ -37,9 +37,9 @@ matrix:
       before_install:
         - git submodule update --init --recursive
         - wget -q -O - https://swift.org/keys/all-keys.asc | gpg --import -
-        - wget https://swift.org/builds/swift-3.0-release/ubuntu1404/swift-3.0-RELEASE/swift-3.0-RELEASE-ubuntu14.04.tar.gz 
-        - tar xzf swift-3.0-RELEASE-ubuntu14.04.tar.gz 
-        - export PATH=${PWD}/swift-3.0-RELEASE-ubuntu14.04/usr/bin:"${PATH}" 
+        - wget https://swift.org/builds/swift-3.1-release/ubuntu1404/swift-3.1-RELEASE/swift-3.1-RELEASE-ubuntu14.04.tar.gz 
+        - tar xzf swift-3.1-RELEASE-ubuntu14.04.tar.gz 
+        - export PATH=${PWD}/swift-3.1-RELEASE-ubuntu14.04/usr/bin:"${PATH}" 
       script:
         - swift build
 notifications:
diff --git a/Cartfile.private b/Cartfile.private
index a8a0c94..0b434f7 100644
--- a/Cartfile.private
+++ b/Cartfile.private
@@ -1,4 +1,4 @@
-github "typelift/Swiftx" "master"
+github "typelift/Swiftx" 
 github "typelift/SwiftCheck"
 github "typelift/Operadics"
 
diff --git a/Cartfile.resolved b/Cartfile.resolved
index de77c9a..3af5f92 100644
--- a/Cartfile.resolved
+++ b/Cartfile.resolved
@@ -1,3 +1,3 @@
 github "typelift/Operadics" "0.2.2"
-github "typelift/SwiftCheck" "0.7.2"
-github "typelift/Swiftx" "7945839e1a173911879a3552a5d2265554d9337b"
+github "typelift/SwiftCheck" "0.8.0"
+github "typelift/Swiftx" "0.5.2"
diff --git a/Carthage/Checkouts/SwiftCheck b/Carthage/Checkouts/SwiftCheck
index 0e2d31c..97a244b 160000
--- a/Carthage/Checkouts/SwiftCheck
+++ b/Carthage/Checkouts/SwiftCheck
@@ -1 +1 @@
-Subproject commit 0e2d31cbf718cc31bb2f80a65760439ecc3ee7fc
+Subproject commit 97a244b4c48e5823e82f50562fc4e32b3d6507a8
diff --git a/Carthage/Checkouts/Swiftx b/Carthage/Checkouts/Swiftx
index 7945839..0d481bb 160000
--- a/Carthage/Checkouts/Swiftx
+++ b/Carthage/Checkouts/Swiftx
@@ -1 +1 @@
-Subproject commit 7945839e1a173911879a3552a5d2265554d9337b
+Subproject commit 0d481bbe0617c38bb816c9cbbf54ab93edb813b9
diff --git a/Sources/Bounded.swift b/Sources/Bounded.swift
index 2261546..00ecc8b 100644
--- a/Sources/Bounded.swift
+++ b/Sources/Bounded.swift
@@ -149,21 +149,21 @@ extension Int64 : Bounded {
 #if os(OSX)
 	extension Float : Bounded {
 		public static func minBound() -> Float {
-			return FLT_MIN
+			return Float.leastNormalMagnitude
 		}
 
 		public static func maxBound() -> Float {
-			return FLT_MAX
+			return Float.greatestFiniteMagnitude
 		}
 	}
 
 	extension Double : Bounded {
 		public static func minBound() -> Double {
-			return DBL_MIN
+			return Double.leastNormalMagnitude
 		}
 
 		public static func maxBound() -> Double {
-			return DBL_MAX
+			return Double.greatestFiniteMagnitude
 		}
 	}
 #endif