diff --git a/ObjectiveGitFramework.xcodeproj/project.pbxproj b/ObjectiveGitFramework.xcodeproj/project.pbxproj
index 1a438dfef..ed4050a4d 100644
--- a/ObjectiveGitFramework.xcodeproj/project.pbxproj
+++ b/ObjectiveGitFramework.xcodeproj/project.pbxproj
@@ -1755,7 +1755,7 @@
 					.,
 					External,
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				ONLY_ACTIVE_ARCH = YES;
 				OTHER_CFLAGS = (
 					"$(inherited)",
@@ -1795,7 +1795,7 @@
 					.,
 					External,
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				ONLY_ACTIVE_ARCH = YES;
 				OTHER_CFLAGS = (
 					"$(inherited)",
@@ -1877,7 +1877,7 @@
 					/usr/local/include,
 				);
 				INFOPLIST_FILE = "ObjectiveGitTests/ObjectiveGitTests-Info.plist";
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.libgit2.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
@@ -1898,7 +1898,7 @@
 					/usr/local/include,
 				);
 				INFOPLIST_FILE = "ObjectiveGitTests/ObjectiveGitTests-Info.plist";
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.libgit2.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
@@ -1930,7 +1930,7 @@
 					.,
 					External,
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				OTHER_CFLAGS = (
 					"$(inherited)",
 					"-DGIT_SSH",
@@ -1984,7 +1984,7 @@
 					/usr/local/include,
 				);
 				INFOPLIST_FILE = "ObjectiveGitTests/ObjectiveGitTests-Info.plist";
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.libgit2.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
@@ -2148,7 +2148,7 @@
 					.,
 					External,
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				OTHER_CFLAGS = (
 					"$(inherited)",
 					"-DGIT_SSH",
@@ -2202,7 +2202,7 @@
 					/usr/local/include,
 				);
 				INFOPLIST_FILE = "ObjectiveGitTests/ObjectiveGitTests-Info.plist";
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.libgit2.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;