diff --git a/.github/workflows/build_cmake.yml b/.github/workflows/build_cmake.yml
index 6c14dcfb55a..930c8707d86 100644
--- a/.github/workflows/build_cmake.yml
+++ b/.github/workflows/build_cmake.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   QT_VERSION: 6.4.2
-  MACOS_DEPLOYMENT_TARGET: 10.14
+  MACOS_DEPLOYMENT_TARGET: 10.15
   CLANG_VERSION: 16.0.0-rc2
   ELFUTILS_VERSION: 0.175
   CMAKE_VERSION: 3.21.1
diff --git a/README.md b/README.md
index 590361d1ef6..9c2128010d7 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ The standalone binary packages support the following platforms:
 
 * Windows 10 (64-bit) or later
 * (K)Ubuntu Linux 20.04 (64-bit) or later
-* macOS 10.14 or later
+* macOS 10.15 or later
 
 ## Contributing
 
@@ -37,7 +37,7 @@ Prerequisites:
 
 * Qt 6.2 or later. The Qt version that you use to build Qt Creator defines the
   minimum platform versions that the result supports
-  (Windows 10, RHEL/CentOS 8.4, Ubuntu 20.04, macOS 10.14 for Qt 6.2).
+  (Windows 10, RHEL/CentOS 8.4, Ubuntu 20.04, macOS 10.15 for Qt 6.2).
 * Qt WebEngine module for QtWebEngine based help viewer
 * On Windows:
     * MinGW with GCC 9 or Visual Studio 2019 or later
diff --git a/coin/instructions/common_environment.yaml b/coin/instructions/common_environment.yaml
index 1124788c83b..576515a1229 100644
--- a/coin/instructions/common_environment.yaml
+++ b/coin/instructions/common_environment.yaml
@@ -16,7 +16,7 @@ instructions:
         variableValue: "qt5compat qtbase qtdeclarative qtimageformats qtquick3d qtquickcontrols2 qtquicktimeline qtserialport qtshadertools qtsvg qttools qttranslations qtwebengine"
       - type: EnvironmentVariable
         variableName: MACOSX_DEPLOYMENT_TARGET
-        variableValue: 10.14
+        variableValue: 10.15
       - type: EnvironmentVariable
         variableName: QTC_SDKTOOL_QT_BASE_URL
         variableValue: "http://ci-files02-hki.intra.qt.io/packages/jenkins/archive/qt/5.15/5.15.2-final-released/latest/src/submodules/qtbase-everywhere-src-5.15.2"
diff --git a/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc b/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
index 4cdf397d1fb..5776d92e8ba 100644
--- a/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
+++ b/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
@@ -47,7 +47,7 @@
 
     \section1 macOS
 
-    \macos 10.14 or later is supported with the Xcode tools for your \macos
+    \macos 10.15 or later is supported with the Xcode tools for your \macos
     version available in the Mac App Store.
 
     \section1 Windows
diff --git a/qtcreator.qbs b/qtcreator.qbs
index 7f70064e84a..c0779f4af10 100644
--- a/qtcreator.qbs
+++ b/qtcreator.qbs
@@ -5,7 +5,7 @@ import qbs.FileInfo
 Project {
     name: "Qt Creator"
     minimumQbsVersion: "1.19.0"
-    property string minimumMacosVersion: "10.14"
+    property string minimumMacosVersion: "10.15"
     property bool withAutotests: qbs.buildVariant === "debug"
     property path ide_source_tree: path
     property pathList additionalPlugins: []