diff --git a/Cargo.lock b/Cargo.lock
index 692b4766e6..81e2ced219 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3917,9 +3917,9 @@ dependencies = [
 
 [[package]]
 name = "protobuf-src"
-version = "1.0.5+3.19.3"
+version = "1.1.0+21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe57f68bf9767f48f8cbcbceb5da21524e2b1330a821c1c2502c447d8043f078"
+checksum = "c7ac8852baeb3cc6fb83b93646fb93c0ffe5d14bf138c945ceb4b9948ee0e3c1"
 dependencies = [
  "autotools",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index c4487b8b4b..e6838bbe48 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -254,7 +254,7 @@ proc-macro2 = "1.0.19"
 proptest = "1.1"
 prost = "0.11.8"
 prost-types = "0.11.8"
-protobuf-src = "1.0.5"
+protobuf-src = "1.1.0"
 qstring = "0.7.2"
 quinn = "0.9.3"
 quinn-proto = "0.9.3"
diff --git a/programs/sbf/Cargo.lock b/programs/sbf/Cargo.lock
index 4c0c0613c0..18c7b130e1 100644
--- a/programs/sbf/Cargo.lock
+++ b/programs/sbf/Cargo.lock
@@ -3598,9 +3598,9 @@ dependencies = [
 
 [[package]]
 name = "protobuf-src"
-version = "1.0.5+3.19.3"
+version = "1.1.0+21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe57f68bf9767f48f8cbcbceb5da21524e2b1330a821c1c2502c447d8043f078"
+checksum = "c7ac8852baeb3cc6fb83b93646fb93c0ffe5d14bf138c945ceb4b9948ee0e3c1"
 dependencies = [
  "autotools",
 ]