diff --git a/meta-openembedded/meta-python/recipes-devtools/python/python3-grpcio_1.38.1.bb b/meta-openembedded/meta-python/recipes-devtools/python/python3-grpcio_1.38.1.bb
index 3af033d..cbc8ce9 100644
--- a/meta-openembedded/meta-python/recipes-devtools/python/python3-grpcio_1.38.1.bb
+++ b/meta-openembedded/meta-python/recipes-devtools/python/python3-grpcio_1.38.1.bb
@@ -7,14 +7,14 @@
 DEPENDS += "${PYTHON_PN}-protobuf"
 
 SRC_URI += "file://0001-setup.py-Do-not-mix-C-and-C-compiler-options.patch"
-SRC_URI_append_class-target = " file://ppc-boringssl-support.patch \
+SRC_URI:append:class-target = " file://ppc-boringssl-support.patch \
                                 file://boring_ssl.patch \
                                 file://mips_bigendian.patch \
                                 file://0001-absl-always-use-asm-sgidefs.h.patch \
 "
 SRC_URI[sha256sum] = "1f79d8a24261e3c12ec3a6c25945ff799ae09874fd24815bc17c2dc37715ef6c"
 
-RDEPENDS_${PN} = "${PYTHON_PN}-protobuf \
+RDEPENDS:${PN} = "${PYTHON_PN}-protobuf \
                   ${PYTHON_PN}-setuptools \
                   ${PYTHON_PN}-six \
 "
@@ -24,17 +24,17 @@
 
 export GRPC_PYTHON_DISABLE_LIBC_COMPATIBILITY = "1"
 
-BORING_SSL_PLATFORM_arm = "linux-arm"
-BORING_SSL_PLATFORM_x86-64 = "linux-x86_64"
+BORING_SSL_PLATFORM:arm = "linux-arm"
+BORING_SSL_PLATFORM:x86-64 = "linux-x86_64"
 BORING_SSL_PLATFORM ?= "unsupported"
 export GRPC_BORING_SSL_PLATFORM = "${BORING_SSL_PLATFORM}"
 
-BORING_SSL_x86-64 = "1"
-BORING_SSL_arm = "1"
+BORING_SSL:x86-64 = "1"
+BORING_SSL:arm = "1"
 BORING_SSL ?= "0"
 export GRPC_BUILD_WITH_BORING_SSL_ASM = "${BORING_SSL}"
 
-GRPC_CFLAGS_append_toolchain-clang = " -fvisibility=hidden -fno-wrapv -fno-exceptions"
+GRPC_CFLAGS:append:toolchain-clang = " -fvisibility=hidden -fno-wrapv -fno-exceptions"
 export GRPC_PYTHON_CFLAGS = "${GRPC_CFLAGS}"
 
 CLEANBROKEN = "1"
@@ -44,4 +44,4 @@
 CCACHE_DISABLE = "1"
 
 # needs vdso support
-COMPATIBLE_HOST_libc-musl_powerpc64le = "null"
+COMPATIBLE_HOST:libc-musl:powerpc64le = "null"