diff --git a/classes/cargo_common.bbclass b/classes/cargo_common.bbclass
index 15f848c..e417214 100644
--- a/classes/cargo_common.bbclass
+++ b/classes/cargo_common.bbclass
@@ -47,14 +47,14 @@ CARGO_RUST_TARGET_CCLD ??= "${RUST_TARGET_CCLD}"
 cargo_common_do_configure () {
 	mkdir -p ${CARGO_HOME}/bitbake
 
-	cat <<- EOF > ${CARGO_HOME}/config
+	cat <<- EOF > ${CARGO_HOME}/config.toml
 	# EXTRA_OECARGO_PATHS
 	paths = [
 	$(for p in ${EXTRA_OECARGO_PATHS}; do echo \"$p\",; done)
 	]
 	EOF
 
-	cat <<- EOF >> ${CARGO_HOME}/config
+	cat <<- EOF >> ${CARGO_HOME}/config.toml
 
 	# Local mirror vendored by bitbake
 	[source.bitbake]
@@ -62,7 +62,7 @@ cargo_common_do_configure () {
 	EOF
 
 	if [ ${CARGO_DISABLE_BITBAKE_VENDORING} = "0" ]; then
-		cat <<- EOF >> ${CARGO_HOME}/config
+		cat <<- EOF >> ${CARGO_HOME}/config.toml
 
 		[source.crates-io]
 		replace-with = "bitbake"
@@ -70,7 +70,7 @@ cargo_common_do_configure () {
 		EOF
 	fi
 
-	cat <<- EOF >> ${CARGO_HOME}/config
+	cat <<- EOF >> ${CARGO_HOME}/config.toml
 
 	[http]
 	# Multiplexing can't be enabled because http2 can't be enabled
@@ -82,7 +82,7 @@ cargo_common_do_configure () {
 
 	EOF
 
-	cat <<- EOF >> ${CARGO_HOME}/config
+	cat <<- EOF >> ${CARGO_HOME}/config.toml
 
 	# HOST_SYS
 	[target.${RUST_HOST_SYS}]
@@ -90,7 +90,7 @@ cargo_common_do_configure () {
 	EOF
 
 	if [ "${RUST_HOST_SYS}" != "${RUST_BUILD_SYS}" ]; then
-		cat <<- EOF >> ${CARGO_HOME}/config
+		cat <<- EOF >> ${CARGO_HOME}/config.toml
 
 		# BUILD_SYS
 		[target.${RUST_BUILD_SYS}]
@@ -99,7 +99,7 @@ cargo_common_do_configure () {
 	fi
 
 	if [ "${RUST_TARGET_SYS}" != "${RUST_BUILD_SYS}" -a "${RUST_TARGET_SYS}" != "${RUST_HOST_SYS}" ]; then
-		cat <<- EOF >> ${CARGO_HOME}/config
+		cat <<- EOF >> ${CARGO_HOME}/config.toml
 
 		# TARGET_SYS
 		[target.${RUST_TARGET_SYS}]
@@ -110,7 +110,7 @@ cargo_common_do_configure () {
 	# Put build output in build directory preferred by bitbake instead of
 	# inside source directory unless they are the same
 	if [ "${B}" != "${S}" ]; then
-		cat <<- EOF >> ${CARGO_HOME}/config
+		cat <<- EOF >> ${CARGO_HOME}/config.toml
 
 		[build]
 		# Use out of tree build destination to avoid polluting the source tree
@@ -118,7 +118,7 @@ cargo_common_do_configure () {
 		EOF
 	fi
 
-	cat <<- EOF >> ${CARGO_HOME}/config
+	cat <<- EOF >> ${CARGO_HOME}/config.toml
 
 	[term]
 	progress.when = 'always'
@@ -129,7 +129,7 @@ cargo_common_do_configure () {
 python cargo_common_do_patch_paths() {
     import shutil
 
-    cargo_config = os.path.join(d.getVar("CARGO_HOME"), "config")
+    cargo_config = os.path.join(d.getVar("CARGO_HOME"), "config.toml")
     if not os.path.exists(cargo_config):
         return