diff --git a/envoy/config/filter/fault/v2/BUILD b/envoy/config/filter/fault/v2/BUILD
index 9fba2fbe..c7f8a36e 100644
--- a/envoy/config/filter/fault/v2/BUILD
+++ b/envoy/config/filter/fault/v2/BUILD
@@ -9,4 +9,5 @@ api_proto_library_internal(
         "//envoy/config/filter/http/fault/v2:__pkg__",
         "//envoy/config/filter/network/mongo_proxy/v2:__pkg__",
     ],
+    deps = ["//envoy/type:percent"],
 )
diff --git a/envoy/config/filter/fault/v2/fault.proto b/envoy/config/filter/fault/v2/fault.proto
index d8f06cee..8cfd17ed 100644
--- a/envoy/config/filter/fault/v2/fault.proto
+++ b/envoy/config/filter/fault/v2/fault.proto
@@ -3,6 +3,8 @@ syntax = "proto3";
 package envoy.config.filter.fault.v2;
 option go_package = "v2";
 
+import "envoy/type/percent.proto";
+
 import "google/protobuf/duration.proto";
 
 import "validate/validate.proto";
@@ -24,7 +26,11 @@ message FaultDelay {
 
   // An integer between 0-100 indicating the percentage of operations/connection requests
   // on which the delay will be injected.
-  uint32 percent = 2 [(validate.rules).uint32.lte = 100];
+  //
+  // .. attention::
+  //
+  //   Use of integer `percent` value is deprecated. Use fractional `percentage` field instead.
+  uint32 percent = 2 [(validate.rules).uint32.lte = 100, deprecated = true];
 
   oneof fault_delay_secifier {
     option (validate.required) = true;
@@ -37,4 +43,7 @@ message FaultDelay {
     google.protobuf.Duration fixed_delay = 3
         [(validate.rules).duration.gt = {}, (gogoproto.stdduration) = true];
   }
+
+  // The percentage of operations/connection requests on which the delay will be injected.
+  envoy.type.FractionalPercent percentage = 4;
 }
diff --git a/envoy/config/filter/http/fault/v2/BUILD b/envoy/config/filter/http/fault/v2/BUILD
index 7b414c48..d2c935a1 100644
--- a/envoy/config/filter/http/fault/v2/BUILD
+++ b/envoy/config/filter/http/fault/v2/BUILD
@@ -8,5 +8,6 @@ api_proto_library_internal(
     deps = [
         "//envoy/api/v2/route",
         "//envoy/config/filter/fault/v2:fault",
+        "//envoy/type:percent",
     ],
 )
diff --git a/envoy/config/filter/http/fault/v2/fault.proto b/envoy/config/filter/http/fault/v2/fault.proto
index 894d2b78..36e1d01a 100644
--- a/envoy/config/filter/http/fault/v2/fault.proto
+++ b/envoy/config/filter/http/fault/v2/fault.proto
@@ -3,8 +3,9 @@ syntax = "proto3";
 package envoy.config.filter.http.fault.v2;
 option go_package = "v2";
 
-import "envoy/config/filter/fault/v2/fault.proto";
 import "envoy/api/v2/route/route.proto";
+import "envoy/config/filter/fault/v2/fault.proto";
+import "envoy/type/percent.proto";
 
 import "validate/validate.proto";
 
@@ -14,7 +15,11 @@ import "validate/validate.proto";
 message FaultAbort {
   // An integer between 0-100 indicating the percentage of requests/operations/connections
   // that will be aborted with the error code provided.
-  uint32 percent = 1 [(validate.rules).uint32.lte = 100];
+  //
+  // .. attention::
+  //
+  //   Use of integer `percent` value is deprecated. Use fractional `percentage` field instead.
+  uint32 percent = 1 [(validate.rules).uint32.lte = 100, deprecated = true];
 
   oneof error_type {
     option (validate.required) = true;
@@ -22,6 +27,10 @@ message FaultAbort {
     // HTTP status code to use to abort the HTTP request.
     uint32 http_status = 2 [(validate.rules).uint32 = {gte: 200, lt: 600}];
   }
+
+  // The percentage of requests/operations/connections that will be aborted with the error code
+  // provided.
+  envoy.type.FractionalPercent percentage = 3;
 }
 
 message HTTPFault {