diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index 777a9194c8bf1..4a1482cdb757d 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -105,12 +105,12 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "Abseil",
         project_desc = "Open source collection of C++ libraries drawn from the most fundamental pieces of Google’s internal codebase",
         project_url = "https://abseil.io/",
-        version = "5d8fc9192245f0ea67094af57399d7931d6bd53f",
-        sha256 = "e3812f256dd7347a33bf9d93a950cf356c61c0596842ff07d8154cd415145d83",
+        version = "20210324.1",
+        sha256 = "441db7c09a0565376ecacf0085b2d4c2bbedde6115d7773551bc116212c2a8d6",
         strip_prefix = "abseil-cpp-{version}",
         urls = ["https://github.com/abseil/abseil-cpp/archive/{version}.tar.gz"],
         use_category = ["dataplane_core", "controlplane"],
-        release_date = "2020-11-24",
+        release_date = "2021-04-20",
         cpe = "N/A",
     ),
     com_github_c_ares_c_ares = dict(
diff --git a/source/common/quic/envoy_quic_client_stream.cc b/source/common/quic/envoy_quic_client_stream.cc
index 804a39934fd85..76d429a9fe6d4 100644
--- a/source/common/quic/envoy_quic_client_stream.cc
+++ b/source/common/quic/envoy_quic_client_stream.cc
@@ -318,7 +318,7 @@ void EnvoyQuicClientStream::onStreamError(absl::optional<bool> should_close_conn
     details_ = Http3ResponseCodeDetailValues::invalid_http_header;
   }
   bool close_connection_upon_invalid_header;
-  if (should_close_connection != absl::nullopt) {
+  if (should_close_connection.has_value()) {
     close_connection_upon_invalid_header = should_close_connection.value();
   } else {
     close_connection_upon_invalid_header =