diff --git a/debian/patches/link-grpc.diff b/debian/patches/link-grpc.diff
index 8a5c3cb6..b255aaa9 100644
--- a/debian/patches/link-grpc.diff
+++ b/debian/patches/link-grpc.diff
@@ -1,38 +1,37 @@
-Index: llvm-toolchain-14-14.0.6/llvm/cmake/modules/FindGRPC.cmake
+Index: llvm-toolchain-15-15.0.6/llvm/cmake/modules/FindGRPC.cmake
 ===================================================================
---- llvm-toolchain-14-14.0.6.orig/llvm/cmake/modules/FindGRPC.cmake
-+++ llvm-toolchain-14-14.0.6/llvm/cmake/modules/FindGRPC.cmake
-@@ -73,10 +73,29 @@ else()
-       endif()
+--- llvm-toolchain-15-15.0.6.orig/llvm/cmake/modules/FindGRPC.cmake
++++ llvm-toolchain-15-15.0.6/llvm/cmake/modules/FindGRPC.cmake
+@@ -82,11 +82,28 @@ else()
      endif()
    endif()
+   if(NOT TARGET grpc++)
++    find_library(GPR_LIBRARY gpr $GRPC_OPTS REQUIRED)
++    add_library(gpr UNKNOWN IMPORTED GLOBAL)
++    message(STATUS "Using gpr: " ${GPR_LIBRARY})
++    set_target_properties(gpr PROPERTIES IMPORTED_LOCATION ${GPR_LIBRARY})
 +
-+  find_library(GPR_LIBRARY gpr $GRPC_OPTS REQUIRED)
-+  add_library(gpr UNKNOWN IMPORTED GLOBAL)
-+  message(STATUS "Using gpr: " ${GPR_LIBRARY})
-+  set_target_properties(gpr PROPERTIES IMPORTED_LOCATION ${GPR_LIBRARY})
+     find_library(GRPC_LIBRARY grpc++ ${GRPC_OPTS} REQUIRED)
+     add_library(grpc++ UNKNOWN IMPORTED GLOBAL)
+     message(STATUS "Using grpc++: " ${GRPC_LIBRARY})
+     set_target_properties(grpc++ PROPERTIES IMPORTED_LOCATION ${GRPC_LIBRARY})
+     target_include_directories(grpc++ INTERFACE ${GRPC_INCLUDE_PATHS})
++    find_library(GRPC2_LIBRARY grpc $GRPC_OPTS REQUIRED)
++    add_library(grpc UNKNOWN IMPORTED GLOBAL)
++    message(STATUS "Using grpc: " ${GRPC2_LIBRARY})
++    set_target_properties(grpc PROPERTIES IMPORTED_LOCATION ${GRPC2_LIBRARY})
 +
-   find_library(GRPC_LIBRARY grpc++ $GRPC_OPTS REQUIRED)
-   add_library(grpc++ UNKNOWN IMPORTED GLOBAL)
-   message(STATUS "Using grpc++: " ${GRPC_LIBRARY})
-   set_target_properties(grpc++ PROPERTIES IMPORTED_LOCATION ${GRPC_LIBRARY})
++    find_library(ABSL_SYNCHRONIZATION_LIBRARY absl_synchronization $GRPC_OPTS REQUIRED)
++    if (ABSL_SYNCHRONIZATION_LIBRARY)
++      add_library(absl_synchronization UNKNOWN IMPORTED GLOBAL)
++      message(STATUS "Using absl_synchronization: " ${ABSL_SYNCHRONIZATION_LIBRARY})
++      set_target_properties(absl_synchronization PROPERTIES IMPORTED_LOCATION ${ABSL_SYNCHRONIZATION_LIBRARY})
++    endif()
 +
-+  find_library(GRPC2_LIBRARY grpc $GRPC_OPTS REQUIRED)
-+  add_library(grpc UNKNOWN IMPORTED GLOBAL)
-+  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)
-+  if (ABSL_SYNCHRONIZATION_LIBRARY)
-+    add_library(absl_synchronization UNKNOWN IMPORTED GLOBAL)
-+    message(STATUS "Using absl_synchronization: " ${ABSL_SYNCHRONIZATION_LIBRARY})
-+    set_target_properties(absl_synchronization PROPERTIES IMPORTED_LOCATION ${ABSL_SYNCHRONIZATION_LIBRARY})
-+  endif()
-+
-   if (ENABLE_GRPC_REFLECTION)
-     find_library(GRPC_REFLECTION_LIBRARY grpc++_reflection $GRPC_OPTS REQUIRED)
-     add_library(grpc++_reflection UNKNOWN IMPORTED GLOBAL)
-@@ -121,9 +140,15 @@ function(generate_protos LibraryName Pro
+     if (ENABLE_GRPC_REFLECTION)
+       find_library(GRPC_REFLECTION_LIBRARY grpc++_reflection ${GRPC_OPTS} REQUIRED)
+       add_library(grpc++_reflection UNKNOWN IMPORTED GLOBAL)
+@@ -132,9 +149,15 @@ function(generate_protos LibraryName Pro
          ARGS ${Flags} "${ProtoSourceAbsolutePath}"
          DEPENDS "${ProtoSourceAbsolutePath}")