diff --git a/build.json b/build.json
index 27c84dbf876bc75b30b4dd25023a293473e05e24..5402a88de943bfbd8550b0c2ed458ddc80a8d553 100644
--- a/build.json
+++ b/build.json
@@ -1454,7 +1454,7 @@
       "deps": [
         "grpc++",
         "grpc",
-	"gpr"
+        "gpr"
       ]
     },
     {
@@ -1467,7 +1467,7 @@
       "deps": [
         "grpc++",
         "grpc",
-	"gpr"
+        "gpr"
       ]
     },
     {