diff --git a/cmake/cef_variables.cmake.in b/cmake/cef_variables.cmake.in
index 4b3b58de8..adc78e94e 100644
--- a/cmake/cef_variables.cmake.in
+++ b/cmake/cef_variables.cmake.in
@@ -310,7 +310,7 @@ if(OS_MACOSX)
 
   # Find the newest available base SDK.
   execute_process(COMMAND xcode-select --print-path OUTPUT_VARIABLE XCODE_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
-  foreach(OS_VERSION 10.11 10.10 10.9)
+  foreach(OS_VERSION 10.15 10.14 10.13 10.12 10.11 10.10)
     set(SDK "${XCODE_PATH}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX${OS_VERSION}.sdk")
     if(NOT "${CMAKE_OSX_SYSROOT}" AND EXISTS "${SDK}" AND IS_DIRECTORY "${SDK}")
       set(CMAKE_OSX_SYSROOT ${SDK})
@@ -318,7 +318,7 @@ if(OS_MACOSX)
   endforeach()
 
   # Target SDK.
-  set(CEF_TARGET_SDK               "10.9")
+  set(CEF_TARGET_SDK               "10.10")
   list(APPEND CEF_COMPILER_FLAGS
     -mmacosx-version-min=${CEF_TARGET_SDK}
   )
diff --git a/tests/cefclient/resources/mac/Info.plist b/tests/cefclient/resources/mac/Info.plist
index 3730aeb48..0736db724 100644
--- a/tests/cefclient/resources/mac/Info.plist
+++ b/tests/cefclient/resources/mac/Info.plist
@@ -28,7 +28,7 @@
 		<string>0</string>
 	</dict>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.9.0</string>
+	<string>10.10.0</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
diff --git a/tests/cefclient/resources/mac/helper-Info.plist b/tests/cefclient/resources/mac/helper-Info.plist
index 43fb55615..f851bac80 100644
--- a/tests/cefclient/resources/mac/helper-Info.plist
+++ b/tests/cefclient/resources/mac/helper-Info.plist
@@ -28,7 +28,7 @@
 	<key>LSFileQuarantineEnabled</key>
 	<true/>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.9.0</string>
+	<string>10.10.0</string>
 	<key>LSUIElement</key>
 	<string>1</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>
diff --git a/tests/cefsimple/mac/Info.plist b/tests/cefsimple/mac/Info.plist
index 102c9b5e8..7f1bf5c91 100644
--- a/tests/cefsimple/mac/Info.plist
+++ b/tests/cefsimple/mac/Info.plist
@@ -26,7 +26,7 @@
 		<string>0</string>
 	</dict>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.9.0</string>
+	<string>10.10.0</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
diff --git a/tests/cefsimple/mac/helper-Info.plist b/tests/cefsimple/mac/helper-Info.plist
index 46c1e2b90..237bb0bd5 100644
--- a/tests/cefsimple/mac/helper-Info.plist
+++ b/tests/cefsimple/mac/helper-Info.plist
@@ -26,7 +26,7 @@
 	<key>LSFileQuarantineEnabled</key>
 	<true/>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.9.0</string>
+	<string>10.10.0</string>
 	<key>LSUIElement</key>
 	<string>1</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>
diff --git a/tests/ceftests/resources/mac/Info.plist b/tests/ceftests/resources/mac/Info.plist
index 18c373bcf..ff906ed70 100644
--- a/tests/ceftests/resources/mac/Info.plist
+++ b/tests/ceftests/resources/mac/Info.plist
@@ -25,9 +25,13 @@
 		<key>MallocNanoZone</key>
 		<string>0</string>
 	</dict>
+	<key>LSMinimumSystemVersion</key>
+	<string>10.10.0</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
 	<string>NSApplication</string>
+	<key>NSSupportsAutomaticGraphicsSwitching</key>
+	<true/>
 </dict>
 </plist>
diff --git a/tests/ceftests/resources/mac/helper-Info.plist b/tests/ceftests/resources/mac/helper-Info.plist
index d2359ccba..58e41dfc8 100644
--- a/tests/ceftests/resources/mac/helper-Info.plist
+++ b/tests/ceftests/resources/mac/helper-Info.plist
@@ -26,7 +26,7 @@
 	<key>LSFileQuarantineEnabled</key>
 	<true/>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.9.0</string>
+	<string>10.10.0</string>
 	<key>LSUIElement</key>
 	<string>1</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>