1diff --git a/build/moz.configure/toolchain.configure b/build/moz.configure/toolchain.configure
2index 37c00230c853..dd89bea24392 100644
3--- a/build/moz.configure/toolchain.configure
4+++ b/build/moz.configure/toolchain.configure
5@@ -233,7 +233,7 @@ with only_when(host_is_osx | target_is_osx):
6 )
7
8 def mac_sdk_min_version():
9- return "15.5"
10+ return "15.2"
11
12 @depends(
13 "--with-macos-sdk",