diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index b95f8baaf0..0cc1e23da7 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -162,7 +162,7 @@ jobs:
 
     runs-on: macos-latest
     env:
-      MACOSX_DEPLOYMENT_TARGET: 10.14
+      MACOSX_DEPLOYMENT_TARGET: 10.13
 
     steps:
     - name: Checkout
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7a06e23baf..939649a14c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -469,7 +469,7 @@ jobs:
 
     runs-on: macos-11
     env:
-      MACOSX_DEPLOYMENT_TARGET: 10.14
+      MACOSX_DEPLOYMENT_TARGET: 10.13
 
     steps:
     - name: Download source
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f4e08daf4a..911ebbad40 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,7 @@ if (EMSCRIPTEN)
 endif()
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.14)
+set(CMAKE_OSX_DEPLOYMENT_TARGET 10.13)
 
 # Use GNUInstallDirs to allow customisation
 # but set our own default data and bin dir
diff --git a/os/macosx/Info.plist.in b/os/macosx/Info.plist.in
index 0148ab289a..71619d8936 100644
--- a/os/macosx/Info.plist.in
+++ b/os/macosx/Info.plist.in
@@ -32,6 +32,6 @@
         <key>NSHighResolutionCapable</key>
         <string>True</string>
         <key>LSMinimumSystemVersion</key>
-        <string>10.14.0</string>
+        <string>10.13.0</string>
 </dict>
 </plist>