diff --git a/Makefile b/Makefile
index 96a5e4d6..f055d752 100644
--- a/Makefile
+++ b/Makefile
@@ -13,10 +13,10 @@ compress-suffix-bzip = bz2
 compress-suffix-zstd = zst
 
 CPPFLAGS-debug-yes = -DKAK_DEBUG
-CXXFLAGS-debug-yes = -O0 -g
+CXXFLAGS-debug-yes = -O0 -g3
 tag-debug-yes = .debug
 
-CXXFLAGS-debug-no = -O3
+CXXFLAGS-debug-no = -O3 -g3
 tag-debug-no = .opt
 
 CXXFLAGS-sanitize-address = -fsanitize=address