diff --git a/Makefile b/Makefile
index d5a54d3..0975608 100644
--- a/Makefile
+++ b/Makefile
@@ -23,6 +23,7 @@ $(DB):
 $(DB).lz: $(DB)
 	compression_tool -encode -i $< -o $@
 	tmutil addexclusion $@
+	rm -rf dyld
 endif
 
 check: internals.txt
@@ -32,8 +33,18 @@ check: internals.txt
 
 # MARK: - data extraction helpers
 
+NIX = $(shell nix-build --no-out-link -A nixFlakes '<nixpkgs>')/bin/nix
+DSCU = $(shell \
+	$(NIX) --experimental-features 'nix-command flakes' build --no-write-lock-file .\#dyld-shared-cache && \
+	readlink result && rm result)/bin/dyld_shared_cache_util
+
+dyld: /System/Library/dyld/dyld_shared_cache_$(shell uname -m)
+	$(DSCU) -extract $@ $<
+	find $@ -type f -print0 | xargs -0 chmod a+x
+
 prefix = $$(case $(1) in \
 	(macOS) ;; \
+	(macOS-dyld) echo $(dir $(realpath $(firstword $(MAKEFILE_LIST))))/dyld ;; \
 	(iOS) echo /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot ;; \
 	(tvOS) echo /Applications/Xcode.app/Contents/Developer/Platforms/AppleTVOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/tvOS.simruntime/Contents/Resources/RuntimeRoot ;; \
 	(watchOS) echo /Applications/Xcode.app/Contents/Developer/Platforms/WatchOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/watchOS.simruntime/Contents/Resources/RuntimeRoot ;; \
@@ -43,6 +54,7 @@ find = \
 	{ \
 		$(2) find /Library /System /bin /dev /private /sbin /usr ! \( -path /System/Volumes/Data -prune \) $(1) 2> /dev/null | sed 's/^/macOS /' ; \
 		cd /Applications/Xcode.app/Contents/Developer ; find Library Toolchains Tools usr $(1) | sed 's|^|macOS /Applications/Xcode.app/Contents/Developer/|' ; \
+		test -d "$(call prefix,macOS-dyld)" && cd "$(call prefix,macOS-dyld)" && find . $(1) | sed '1d;s/^\./macOS-dyld /' ; \
 		cd $(call prefix,iOS) ; find . $(1) | sed '1d;s/^\./iOS /' ; \
 		cd $(call prefix,tvOS) ; find . $(1) | sed '1d;s/^\./tvOS /' ; \
 		cd $(call prefix,watchOS) ; find . $(1) | sed '1d;s/^\./watchOS /' ; \
@@ -56,7 +68,7 @@ file = SELECT id, $(1) FROM files WHERE os = '$$os' AND path = '$$(echo "$$path"
 $(DB_TARGETS)::
 	echo 'BEGIN IMMEDIATE TRANSACTION;'
 
-db_files::
+db_files:: dyld
 	if ! csrutil status | grep -Fq disabled ; then \
 		printf '\033[1mdisable SIP to get complete file information\033[m\n' >&2 ; \
 		echo 'FAIL;' ; \
@@ -69,7 +81,7 @@ db_files::
 	find $(HOME)/Library | sed "s|^$(HOME)|~|;s/'/''/g;s/.*/INSERT INTO files (os, path) VALUES('macOS', '&');/"
 	echo 'CREATE INDEX files_path ON files (path);'
 
-db_binaries::
+db_binaries:: dyld
 	printf '\033[1mcollecting executable information...\033[m\n' >&2
 	echo 'DROP TABLE IF EXISTS linkages;'
 	echo 'DROP TABLE IF EXISTS entitlements;'