diff --git a/grpc.gyp b/grpc.gyp
index 09f9045..4176137 100644
--- a/grpc.gyp
+++ b/grpc.gyp
@@ -57,6 +57,7 @@
       '-Wno-long-long',
       '-Wno-unused-parameter',
       '-DOSATOMIC_USE_INLINED=1',
+      '-Ithird_party/abseil-cpp',
     ],
     'ldflags': [
       '-g',
@@ -134,6 +135,7 @@
             '-Wno-long-long',
             '-Wno-unused-parameter',
             '-DOSATOMIC_USE_INLINED=1',
+            '-Ithird_party/abseil-cpp',
           ],
           'OTHER_CPLUSPLUSFLAGS': [
             '-g',
@@ -143,6 +145,7 @@
             '-Wno-long-long',
             '-Wno-unused-parameter',
             '-DOSATOMIC_USE_INLINED=1',
+            '-Ithird_party/abseil-cpp',
             '-stdlib=libc++',
             '-std=c++11',
             '-Wno-error=deprecated-declarations'