diff --git a/bootstrap b/bootstrap
index c7797590..96d5d079 100755
--- a/bootstrap
+++ b/bootstrap
@@ -7,12 +7,16 @@ test -z "$srcdir" && srcdir=.
 
 cd "$srcdir"
 
-[ -d common/flanterm ] || git clone https://github.com/mintsuki/flanterm.git common/flanterm --depth=1
+if [ -z "$BOOTSTRAP_NO_SHALLOW_CLONES" ]; then
+    SHALLOW_CLONE_FLAG="--depth=1"
+fi
+
+[ -d common/flanterm ] || git clone https://github.com/mintsuki/flanterm.git common/flanterm $SHALLOW_CLONE_FLAG
 [ -f common/stb/stb_image.h ] || ( curl -Lo common/stb/stb_image.h https://github.com/nothings/stb/raw/master/stb_image.h && patch -p0 < common/stb_image.patch )
 [ -f freestanding-toolchain ] || ( curl -Lo freestanding-toolchain https://github.com/mintsuki/freestanding-toolchain/raw/trunk/freestanding-toolchain && chmod +x freestanding-toolchain )
-[ -d freestanding-headers ] || git clone https://github.com/mintsuki/freestanding-headers.git --depth=1
-[ -d limine-efi ] || git clone https://github.com/limine-bootloader/limine-efi.git --depth=1
-[ -d libgcc-binaries ] || git clone https://github.com/mintsuki/libgcc-binaries.git --depth=1
+[ -d freestanding-headers ] || git clone https://github.com/mintsuki/freestanding-headers.git $SHALLOW_CLONE_FLAG
+[ -d limine-efi ] || git clone https://github.com/limine-bootloader/limine-efi.git $SHALLOW_CLONE_FLAG
+[ -d libgcc-binaries ] || git clone https://github.com/mintsuki/libgcc-binaries.git $SHALLOW_CLONE_FLAG
 
 mkdir -p build-aux
 cp "$(automake --print-libdir)/install-sh" build-aux