diff --git a/.gitignore b/.gitignore
index 4c203053..125df6d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,8 @@ DerivedData/
 *.perspectivev3
 !default.perspectivev3
 xcuserdata/
+xcschemes/
+project.xcworkspace/
 
 ## Xcode, Other
 *.moved-aside
diff --git a/SheepShaver/src/MacOSX/SheepShaver.entitlements b/SheepShaver/src/MacOSX/SheepShaver.entitlements
new file mode 100644
index 00000000..a1c430a5
--- /dev/null
+++ b/SheepShaver/src/MacOSX/SheepShaver.entitlements
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.cs.allow-unsigned-executable-memory</key>
+	<true/>
+</dict>
+</plist>
diff --git a/SheepShaver/src/MacOSX/SheepShaver_Xcode8.xcodeproj/project.pbxproj b/SheepShaver/src/MacOSX/SheepShaver_Xcode8.xcodeproj/project.pbxproj
index 7a4b5145..d38d6ce4 100755
--- a/SheepShaver/src/MacOSX/SheepShaver_Xcode8.xcodeproj/project.pbxproj
+++ b/SheepShaver/src/MacOSX/SheepShaver_Xcode8.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 44;
+	objectVersion = 45;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -1214,6 +1214,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LIBRARY = "libc++";
+				CODE_SIGN_ENTITLEMENTS = SheepShaver.entitlements;
 				COPY_PHASE_STRIP = NO;
 				FRAMEWORK_SEARCH_PATHS = /Library/Frameworks;
 				GCC_CW_ASM_SYNTAX = NO;
@@ -1273,6 +1274,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LIBRARY = "libc++";
+				CODE_SIGN_ENTITLEMENTS = SheepShaver.entitlements;
 				COPY_PHASE_STRIP = NO;
 				DEAD_CODE_STRIPPING = NO;
 				FRAMEWORK_SEARCH_PATHS = /Library/Frameworks;