diff --git a/build.sh b/build.sh
index aa147bf..6b78676 100755
--- a/build.sh
+++ b/build.sh
@@ -104,8 +104,8 @@ fi
 
 ## cctools and ld64 ##
 
-CCTOOLS_VERSION=927.0.2
-LINKER_VERSION=450.3
+CCTOOLS_VERSION=949.0.1
+LINKER_VERSION=512.4
 
 get_sources \
   https://github.com/tpoechtrager/cctools-port.git \
diff --git a/wrapper/programs/xcodebuild.cpp b/wrapper/programs/xcodebuild.cpp
index 7ec6804..9e959f9 100644
--- a/wrapper/programs/xcodebuild.cpp
+++ b/wrapper/programs/xcodebuild.cpp
@@ -28,7 +28,7 @@ namespace program {
 namespace {
 
 int version(Target*, char**) {
-  std::cout << "Xcode 10.2.1" << std::endl;
+  std::cout << "Xcode 11.0" << std::endl;
   std::cout << "Build version 0CFFFF" << std::endl;
   return 0;
 }