diff --git a/cmake/abseil-cpp.cmake b/cmake/abseil-cpp.cmake
index d6e7dfb..e40ea5c 100644
--- a/cmake/abseil-cpp.cmake
+++ b/cmake/abseil-cpp.cmake
@@ -17,7 +17,7 @@ set(workdir "${CMAKE_BINARY_DIR}/_deps/absl-populate")
 set(SAPI_ABSL_GIT_REPOSITORY https://github.com/abseil/abseil-cpp.git
                              CACHE STRING "")
 set(SAPI_ABSL_GIT_TAG b315753c0b8b4aa4e3e1479375eddb518393bab6
-                      CACHE STRING "") # 2020-11-19
+                      CACHE STRING "") # 2021-02-18
 set(SAPI_ABSL_SOURCE_DIR "${CMAKE_BINARY_DIR}/_deps/absl-src" CACHE STRING "")
 set(SAPI_ABSL_BINARY_DIR "${CMAKE_BINARY_DIR}/_deps/absl-build" CACHE STRING "")
 
diff --git a/sandboxed_api/sandbox2/mounts.cc b/sandboxed_api/sandbox2/mounts.cc
index 60c772f..d9de087 100644
--- a/sandboxed_api/sandbox2/mounts.cc
+++ b/sandboxed_api/sandbox2/mounts.cc
@@ -51,7 +51,7 @@ namespace file_util = ::sapi::file_util;
 namespace host_cpu = ::sapi::host_cpu;
 
 bool PathContainsNullByte(absl::string_view path) {
-  return absl::StrContains(path, '\x00');
+  return absl::StrContains(path, '\0');
 }
 
 bool IsSameFile(const std::string& path1, const std::string& path2) {
@@ -277,7 +277,7 @@ absl::StatusOr<std::string> Mounts::ResolvePath(absl::string_view path) const {
   while (!tail.empty()) {
     std::pair<absl::string_view, absl::string_view> parts =
         absl::StrSplit(tail, absl::MaxSplits('/', 1));
-    absl::string_view cur = parts.first;
+    const std::string cur(parts.first);
     tail = parts.second;
     const auto it = curtree->entries().find(cur);
     if (it == curtree->entries().end()) {