diff --git a/.swift-version b/.swift-version
index c4e41f9..7d5c902 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-4.0.3
+4.1
diff --git a/.travis.yml b/.travis.yml
index 0b73093..1f1ee69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,12 +4,12 @@ branches:
     - develop
     - /^issue.*$/
 
-notifications:
-  slack:
-    secure: "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"
-# Testing Darwin, Ubuntu 14.04, Ubuntu 16.04
 matrix:
   include:
+    - os: linux
+      dist: trusty
+      sudo: required
+      env: SWIFT_SNAPSHOT=4.0.3
     - os: linux
       dist: trusty
       sudo: required
@@ -22,14 +22,9 @@ matrix:
       osx_image: xcode9.2
       sudo: required
       env: SWIFT_SNAPSHOT=4.0.3
-    - os: linux
-      dist: trusty
-      sudo: required
-      env: SWIFT_SNAPSHOT=swift-4.1-DEVELOPMENT-SNAPSHOT-2018-02-06-a
     - os: osx
-      osx_image: xcode9.2
+      osx_image: xcode9.3
       sudo: required
-      env: SWIFT_SNAPSHOT=swift-4.1-DEVELOPMENT-SNAPSHOT-2018-02-06-a
 
 script:
   - ./build.sh
diff --git a/Package.swift b/Package.swift
index 2781254..215b92a 100644
--- a/Package.swift
+++ b/Package.swift
@@ -20,10 +20,10 @@
 import PackageDescription
 
 var dependencies: [Package.Dependency] = [
-    .package(url: "https://github.com/IBM-Swift/LoggerAPI.git", .upToNextMinor(from: "1.7.0")),
-    .package(url: "https://github.com/IBM-Swift/BlueSocket.git", .upToNextMinor(from: "0.12.0")),
+    .package(url: "https://github.com/IBM-Swift/LoggerAPI.git", from: "1.7.3"),
+    .package(url: "https://github.com/IBM-Swift/BlueSocket.git", from: "1.0.0"),
     .package(url: "https://github.com/IBM-Swift/CCurl.git", from: "1.0.0"),
-    .package(url: "https://github.com/IBM-Swift/BlueSSLService.git", .upToNextMinor(from: "0.12.0"))
+    .package(url: "https://github.com/IBM-Swift/BlueSSLService.git", from: "1.0.0")
 ]
 
 var kituraNetDependencies: [Target.Dependency] = [
@@ -36,8 +36,8 @@ var kituraNetDependencies: [Target.Dependency] = [
 
 #if os(Linux)
 dependencies.append(contentsOf: [
-    .package(url: "https://github.com/IBM-Swift/CEpoll.git", .upToNextMinor(from: "0.1.0")),
-    .package(url: "https://github.com/IBM-Swift/BlueSignals.git", .upToNextMinor(from: "0.9.0"))
+    .package(url: "https://github.com/IBM-Swift/CEpoll.git", from: "1.0.0"),
+    .package(url: "https://github.com/IBM-Swift/BlueSignals.git", from: "1.0.0")
     ])
 
 kituraNetDependencies.append(contentsOf: [