diff --git a/grpc.def b/grpc.def
index e387c8b7125..c660d361b1c 100644
--- a/grpc.def
+++ b/grpc.def
@@ -182,6 +182,7 @@ EXPORTS
     grpc_slice_buffer_take_first
     grpc_slice_buffer_undo_take_first
     gpr_malloc
+    gpr_zalloc
     gpr_free
     gpr_realloc
     gpr_malloc_aligned
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.c b/src/ruby/ext/grpc/rb_grpc_imports.generated.c
index b8af8008336..52465a4dd70 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.c
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.c
@@ -220,6 +220,7 @@ grpc_slice_buffer_move_first_into_buffer_type grpc_slice_buffer_move_first_into_
 grpc_slice_buffer_take_first_type grpc_slice_buffer_take_first_import;
 grpc_slice_buffer_undo_take_first_type grpc_slice_buffer_undo_take_first_import;
 gpr_malloc_type gpr_malloc_import;
+gpr_zalloc_type gpr_zalloc_import;
 gpr_free_type gpr_free_import;
 gpr_realloc_type gpr_realloc_import;
 gpr_malloc_aligned_type gpr_malloc_aligned_import;
@@ -512,6 +513,7 @@ void grpc_rb_load_imports(HMODULE library) {
   grpc_slice_buffer_take_first_import = (grpc_slice_buffer_take_first_type) GetProcAddress(library, "grpc_slice_buffer_take_first");
   grpc_slice_buffer_undo_take_first_import = (grpc_slice_buffer_undo_take_first_type) GetProcAddress(library, "grpc_slice_buffer_undo_take_first");
   gpr_malloc_import = (gpr_malloc_type) GetProcAddress(library, "gpr_malloc");
+  gpr_zalloc_import = (gpr_zalloc_type) GetProcAddress(library, "gpr_zalloc");
   gpr_free_import = (gpr_free_type) GetProcAddress(library, "gpr_free");
   gpr_realloc_import = (gpr_realloc_type) GetProcAddress(library, "gpr_realloc");
   gpr_malloc_aligned_import = (gpr_malloc_aligned_type) GetProcAddress(library, "gpr_malloc_aligned");
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.h b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
index 3229e2a77dc..b16e6738781 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.h
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
@@ -611,6 +611,9 @@ extern grpc_slice_buffer_undo_take_first_type grpc_slice_buffer_undo_take_first_
 typedef void *(*gpr_malloc_type)(size_t size);
 extern gpr_malloc_type gpr_malloc_import;
 #define gpr_malloc gpr_malloc_import
+typedef void *(*gpr_zalloc_type)(size_t size);
+extern gpr_zalloc_type gpr_zalloc_import;
+#define gpr_zalloc gpr_zalloc_import
 typedef void(*gpr_free_type)(void *ptr);
 extern gpr_free_type gpr_free_import;
 #define gpr_free gpr_free_import