diff --git a/ChangeLog b/ChangeLog
index 7fa2248604..b1aef048fe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -17,6 +17,7 @@ Enhancements:
 - #6916 Main Window receives screen name change
 - #6910 Don't use the word “Version” for release names because it can lead to errors during update checking.
 - #6918 Removing positional union initialisation
+- #6931 Update build pipeline to support macOS 10.13
 
 
 v1.13.0-stable
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index ee7a5a143c..57d65e56c9 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -67,13 +67,13 @@ jobs:
         catalina-std:
           image: macOS-10.15
           platform: x86-64
-          version: 10.14
+          version: 10.13
           buildType: "standard"
           prefix: "synergy"
         catalina-ent:
           image: macOS-10.15
           platform: x86-64
-          version: 10.14
+          version: 10.13
           buildType: "enterprise"
           prefix: "synergy-enterprise"
     pool: