diff --git a/meta-oe/recipes-devtools/grpc/grpc_1.60.1.bb b/meta-oe/recipes-devtools/grpc/grpc_1.66.1.bb
similarity index 97%
rename from meta-oe/recipes-devtools/grpc/grpc_1.60.1.bb
rename to meta-oe/recipes-devtools/grpc/grpc_1.66.1.bb
index 63c696a623..7968d63a87 100644
--- a/meta-oe/recipes-devtools/grpc/grpc_1.60.1.bb
+++ b/meta-oe/recipes-devtools/grpc/grpc_1.66.1.bb
@@ -20,8 +20,8 @@ RDEPENDS:${PN}-dev:append:class-native = " ${PN}-compiler"
 # RDEPENDS:${PN}-dev += "${PN}-compiler"
 
 S = "${WORKDIR}/git"
-SRCREV_grpc = "e5ae3b6b44bf3b64d24bfb4b4f82556239b986db"
-BRANCH = "v1.60.x"
+SRCREV_grpc = "e821cdc231bda9ee93139a6daab6311dd8953832"
+BRANCH = "v1.66.x"
 SRC_URI = "gitsm://github.com/grpc/grpc.git;protocol=https;name=grpc;branch=${BRANCH} \
            file://0001-cmake-Link-with-libatomic-on-rv32-rv64.patch \
            "