diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e0b6eb..4e74efa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,18 +19,23 @@ jobs:
         include:
           - toolset: gcc-4.8
             cxxstd: "03,11"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: g++-4.8
+          - toolset: gcc-4.9
+            cxxstd: "03,11"
+            container: ubuntu:16.04
+            os: ubuntu-latest
+            install: g++-4.9
           - toolset: gcc-5
             cxxstd: "03,11,14,1z"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: g++-5
           - toolset: gcc-6
             cxxstd: "03,11,14,1z"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: g++-6
           - toolset: gcc-7
             cxxstd: "03,11,14,17"
@@ -148,6 +153,9 @@ jobs:
           - toolset: clang
             cxxstd: "03,11,14,17,20,2b"
             os: macos-13
+          - toolset: clang
+            cxxstd: "03,11,14,17,20,2b"
+            os: macos-14
 
     runs-on: ${{matrix.os}}
     container: ${{matrix.container}}
@@ -189,7 +197,7 @@ jobs:
           cd boost-root
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           git submodule update --init tools/boostdep
-          python3 tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+          python3 tools/boostdep/depinst/depinst.py $LIBRARY
           ./bootstrap.sh
           ./b2 -d0 headers
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f97464c..77a8e78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 cmake_minimum_required(VERSION 3.5...3.16)
 
-project(boost_mp11 VERSION 1.85.0 LANGUAGES CXX)
+project(boost_mp11 VERSION 1.86.0 LANGUAGES CXX)
 
 add_library(boost_mp11 INTERFACE)
 add_library(Boost::mp11 ALIAS boost_mp11)
diff --git a/appveyor.yml b/appveyor.yml
index b433eac..b6a7184 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -23,7 +23,15 @@ environment:
 
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       TOOLSET: msvc-14.1
-      CXXSTD: 14,17,latest
+      CXXSTD: 14
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: msvc-14.1
+      CXXSTD: 17
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: msvc-14.1
+      CXXSTD: latest
 
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       CMAKE: 1
@@ -31,24 +39,19 @@ environment:
 
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       CMAKE_SUBDIR: 1
+
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       CMAKE_INSTALL: 1
 
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      CMAKE: 1
-      CONFIG: MinSizeRel
-
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       CMAKE_SUBDIR: 1
+
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       CMAKE_INSTALL: 1
 
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-      CMAKE: 1
-      CONFIG: MinSizeRel
-
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       CMAKE_SUBDIR: 1
+
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       CMAKE_INSTALL: 1
 
diff --git a/include/boost/mp11/version.hpp b/include/boost/mp11/version.hpp
index aba1fb1..d991a76 100644
--- a/include/boost/mp11/version.hpp
+++ b/include/boost/mp11/version.hpp
@@ -11,6 +11,6 @@
 // Same format as BOOST_VERSION:
 //   major * 100000 + minor * 100 + patch
 
-#define BOOST_MP11_VERSION 108500
+#define BOOST_MP11_VERSION 108600
 
 #endif // #ifndef BOOST_MP11_VERSION_HPP_INCLUDED