diff --git a/tools/proto-compiler/Cargo.lock b/tools/proto-compiler/Cargo.lock
index 7fdf24ea..855c6ab7 100644
--- a/tools/proto-compiler/Cargo.lock
+++ b/tools/proto-compiler/Cargo.lock
@@ -279,9 +279,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.24"
+version = "0.3.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2c4422095b67ee78da96fbb51a4cc413b3b25883c7717ff7ca1ab31022c9c9"
+checksum = "81fe527a889e1532da5c525686d96d4c2e74cdd345badf8dfef9f6b39dd5f5e8"
 dependencies = [
  "bytes",
  "fnv",