diff --git a/debian/patches/link-grpc.diff b/debian/patches/link-grpc.diff
index 8a5c3cb6..63739bc2 100644
--- a/debian/patches/link-grpc.diff
+++ b/debian/patches/link-grpc.diff
@@ -22,7 +22,7 @@ Index: llvm-toolchain-14-14.0.6/llvm/cmake/modules/FindGRPC.cmake
 +  message(STATUS "Using grpc: " ${GRPC2_LIBRARY})
 +  set_target_properties(grpc PROPERTIES IMPORTED_LOCATION ${GRPC2_LIBRARY})
 +
-+  find_library(ABSL_SYNCHRONIZATION_LIBRARY absl_synchronization $GRPC_OPTS REQUIRED)
++  find_library(ABSL_SYNCHRONIZATION_LIBRARY absl_synchronization $GRPC_OPTS)
 +  if (ABSL_SYNCHRONIZATION_LIBRARY)
 +    add_library(absl_synchronization UNKNOWN IMPORTED GLOBAL)
 +    message(STATUS "Using absl_synchronization: " ${ABSL_SYNCHRONIZATION_LIBRARY})