diff --git a/QCBOR.xcodeproj/project.pbxproj b/QCBOR.xcodeproj/project.pbxproj
index f9456a6..fb65bee 100644
--- a/QCBOR.xcodeproj/project.pbxproj
+++ b/QCBOR.xcodeproj/project.pbxproj
@@ -11,6 +11,7 @@
 		0FA9BEBA216DC7AD00BA646B /* qcbor_encode_tests.c in Sources */ = {isa = PBXBuildFile; fileRef = 0FA9BEB8216DC7AD00BA646B /* qcbor_encode_tests.c */; };
 		0FA9BEBD216DE31700BA646B /* UsefulBuf_Tests.c in Sources */ = {isa = PBXBuildFile; fileRef = 0FA9BEBC216DE31700BA646B /* UsefulBuf_Tests.c */; };
 		E7180F232CF1657B00513186 /* qcbor_number_decode.c in Sources */ = {isa = PBXBuildFile; fileRef = E7180F222CF1657A00513186 /* qcbor_number_decode.c */; };
+		E7180F262CF8F2EB00513186 /* qcbor_spiffy_decode.c in Sources */ = {isa = PBXBuildFile; fileRef = E7180F252CF8F2EB00513186 /* qcbor_spiffy_decode.c */; };
 		E73B57592161CA690080D658 /* ieee754.c in Sources */ = {isa = PBXBuildFile; fileRef = E73B57582161CA690080D658 /* ieee754.c */; };
 		E73B575E2161CA7C0080D658 /* float_tests.c in Sources */ = {isa = PBXBuildFile; fileRef = E73B575A2161CA7C0080D658 /* float_tests.c */; };
 		E73B575F2161CA7C0080D658 /* half_to_double_from_rfc7049.c in Sources */ = {isa = PBXBuildFile; fileRef = E73B575D2161CA7C0080D658 /* half_to_double_from_rfc7049.c */; };
@@ -161,6 +162,8 @@
 		E7180F212CF1638F00513186 /* decode_private.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = decode_private.h; path = src/decode_private.h; sourceTree = "<group>"; };
 		E7180F222CF1657A00513186 /* qcbor_number_decode.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = qcbor_number_decode.c; path = src/qcbor_number_decode.c; sourceTree = "<group>"; };
 		E7180F242CF2390100513186 /* qcbor_number_decode.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = qcbor_number_decode.h; path = inc/qcbor/qcbor_number_decode.h; sourceTree = "<group>"; };
+		E7180F252CF8F2EB00513186 /* qcbor_spiffy_decode.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = qcbor_spiffy_decode.c; path = src/qcbor_spiffy_decode.c; sourceTree = "<group>"; };
+		E7180F272CF917D200513186 /* decode_nesting.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = decode_nesting.h; path = src/decode_nesting.h; sourceTree = "<group>"; };
 		E73B57572161CA680080D658 /* ieee754.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.h; name = ieee754.h; path = src/ieee754.h; sourceTree = "<group>"; tabWidth = 3; };
 		E73B57582161CA690080D658 /* ieee754.c */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.c; name = ieee754.c; path = src/ieee754.c; sourceTree = "<group>"; tabWidth = 3; };
 		E73B575A2161CA7C0080D658 /* float_tests.c */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.c; name = float_tests.c; path = test/float_tests.c; sourceTree = "<group>"; tabWidth = 3; };
@@ -294,8 +297,10 @@
 			children = (
 				E776E08D214AE07500E67947 /* UsefulBuf.c */,
 				E776E08C214AE07400E67947 /* qcbor_encode.c */,
+				E7180F272CF917D200513186 /* decode_nesting.h */,
 				E7180F212CF1638F00513186 /* decode_private.h */,
 				E776E08E214AE07500E67947 /* qcbor_decode.c */,
+				E7180F252CF8F2EB00513186 /* qcbor_spiffy_decode.c */,
 				E7180F222CF1657A00513186 /* qcbor_number_decode.c */,
 				E7CA1F1D2C8C337E0008F454 /* qcbor_tag_decode.c */,
 				E73B57572161CA680080D658 /* ieee754.h */,
@@ -564,6 +569,7 @@
 				E7C960B92800A09E00FB537C /* ub-example.c in Sources */,
 				E743D0F324AD08020017899F /* example.c in Sources */,
 				0FA9BEBD216DE31700BA646B /* UsefulBuf_Tests.c in Sources */,
+				E7180F262CF8F2EB00513186 /* qcbor_spiffy_decode.c in Sources */,
 				E7180F232CF1657B00513186 /* qcbor_number_decode.c in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;