diff --git a/dev-python/grpcio/grpcio-1.75.0.ebuild b/dev-python/grpcio/grpcio-1.75.0.ebuild
index 60ea176de5076..5bf2adb76e24e 100644
--- a/dev-python/grpcio/grpcio-1.75.0.ebuild
+++ b/dev-python/grpcio/grpcio-1.75.0.ebuild
@@ -59,6 +59,11 @@ src_prepare() {
 }
 
 src_configure() {
+	# -Werror=odr -Werror=lto-type-mismatch
+	# https://bugs.gentoo.org/856775
+	# https://github.com/grpc/grpc/issues/36158
+	filter-lto
+
 	export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS="$(makeopts_jobs)"
 	# system abseil-cpp crashes with USE=-debug, sigh
 	# https://bugs.gentoo.org/942021
diff --git a/dev-python/grpcio/grpcio-1.75.1.ebuild b/dev-python/grpcio/grpcio-1.75.1.ebuild
index af90d2bd84ad9..80b83ea4e36c3 100644
--- a/dev-python/grpcio/grpcio-1.75.1.ebuild
+++ b/dev-python/grpcio/grpcio-1.75.1.ebuild
@@ -59,6 +59,11 @@ src_prepare() {
 }
 
 src_configure() {
+	# -Werror=odr -Werror=lto-type-mismatch
+	# https://bugs.gentoo.org/856775
+	# https://github.com/grpc/grpc/issues/36158
+	filter-lto
+
 	export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS="$(makeopts_jobs)"
 	# system abseil-cpp crashes with USE=-debug, sigh
 	# https://bugs.gentoo.org/942021
diff --git a/dev-python/grpcio/grpcio-1.76.0.ebuild b/dev-python/grpcio/grpcio-1.76.0.ebuild
index af90d2bd84ad9..80b83ea4e36c3 100644
--- a/dev-python/grpcio/grpcio-1.76.0.ebuild
+++ b/dev-python/grpcio/grpcio-1.76.0.ebuild
@@ -59,6 +59,11 @@ src_prepare() {
 }
 
 src_configure() {
+	# -Werror=odr -Werror=lto-type-mismatch
+	# https://bugs.gentoo.org/856775
+	# https://github.com/grpc/grpc/issues/36158
+	filter-lto
+
 	export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS="$(makeopts_jobs)"
 	# system abseil-cpp crashes with USE=-debug, sigh
 	# https://bugs.gentoo.org/942021