diff --git a/.azure-pipelines/mac_build.yml b/.azure-pipelines/mac_build.yml
index ea3853be7..2d179f82e 100644
--- a/.azure-pipelines/mac_build.yml
+++ b/.azure-pipelines/mac_build.yml
@@ -1,6 +1,6 @@
 steps:
 - bash: |
-    wget https://github.com/phracker/MacOSX-SDKs/releases/download/10.13/MacOSX$(target_platform).sdk.tar.xz
+    wget https://github.com/phracker/MacOSX-SDKs/releases/download/10.15/MacOSX$(target_platform).sdk.tar.xz
     tar Jxvf MacOSX$(target_platform).sdk.tar.xz
   displayName: Install MacOSX $(target_platform) SDK
 - script: |
diff --git a/.azure-pipelines/mac_build_java.yml b/.azure-pipelines/mac_build_java.yml
index b46d320e4..47f360902 100644
--- a/.azure-pipelines/mac_build_java.yml
+++ b/.azure-pipelines/mac_build_java.yml
@@ -1,6 +1,6 @@
 steps:
 - bash: |
-    wget https://github.com/phracker/MacOSX-SDKs/releases/download/10.13/MacOSX$(target_platform).sdk.tar.xz
+    wget https://github.com/phracker/MacOSX-SDKs/releases/download/10.15/MacOSX$(target_platform).sdk.tar.xz
     tar Jxvf MacOSX$(target_platform).sdk.tar.xz
   displayName: Install MacOSX $(target_platform) SDK
 - script: |
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f8f4479e9..10175c540 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -18,7 +18,7 @@ jobs:
 - job: macOS_10_13_x64
   timeoutInMinutes: 90
   pool:
-    vmImage: macos-10.13
+    vmImage: macos-10.14
   variables:
     compiler: clangxx_osx-64
     boost_version: 1.67.0
@@ -63,7 +63,7 @@ jobs:
 - job: macOS_10_13_x64_java
   timeoutInMinutes: 90
   pool:
-    vmImage: macos-10.13
+    vmImage: macos-10.14
   variables:
     compiler: clangxx_osx-64
     boost_version: 1.67.0