diff --git a/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-1.7.0-corstone1000.inc b/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-1.7.0-corstone1000.inc
index 5e44ea52..b6f30613 100644
--- a/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-1.7.0-corstone1000.inc
+++ b/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-1.7.0-corstone1000.inc
@@ -42,6 +42,16 @@ SRC_URI:append:corstone1000 = " \
     file://0012-Platform-Corstone1000-get-fwu-and-private-metadata-f.patch      \
            "
 
+# TF-M ships patches for external dependencies that needs to be applied
+apply_tfm_patches() {
+    find ${S}/lib/ext/qcbor -type f -name '*.patch' -print0 | sort -z | xargs -r -t -0 -n 1 patch -p1 -d ${S}/../qcbor/ -i
+    find ${S}/lib/ext/mbedcrypto -type f -name '*.patch' -print0 | sort -z | xargs -r -t -0 -n 1 patch -p1 -d ${S}/../mbedtls/ -i
+    find ${S}/lib/ext/mcuboot -type f -name '*.patch' -print0 | sort -z | xargs -r -t -0 -n 1 patch -p1 -d ${S}/../mcuboot/ -i
+    find ${S}/lib/ext/tf-m-tests -type f -name '*.patch' -print0 | sort -z | xargs -r -t -0 -n 1 patch -p1 -d ${S}/../tf-m-tests/ -i
+}
+
+do_patch[postfuncs] += "apply_tfm_patches"
+
 do_install() {
   install -D -p -m 0644 ${B}/install/outputs/tfm_s_signed.bin ${D}/firmware/tfm_s_signed.bin
   install -D -p -m 0644 ${B}/install/outputs/bl2_signed.bin ${D}/firmware/bl2_signed.bin