diff --git a/DEPS b/DEPS
index 5a90a5b..976117a 100644
--- a/DEPS
+++ b/DEPS
@@ -31,7 +31,7 @@
   "third_party/externals/dng_sdk"                : "https://android.googlesource.com/platform/external/dng_sdk.git@c8d0c9b1d16bfda56f15165d39e0ffa360a11123",
   "third_party/externals/egl-registry"           : "https://skia.googlesource.com/external/github.com/KhronosGroup/EGL-Registry@a0bca08de07c7d7651047bedc0b653cfaaa4f2ae",
   "third_party/externals/emsdk"                  : "https://skia.googlesource.com/external/github.com/emscripten-core/emsdk.git@4a48a752e6a8bef6f222622f2b4926d5eb3bdeb3",
-  "third_party/externals/expat"                  : "https://chromium.googlesource.com/external/github.com/libexpat/libexpat.git@a28238bdeebc087071777001245df1876a11f5ee",
+  "third_party/externals/expat"                  : "https://chromium.googlesource.com/external/github.com/libexpat/libexpat.git@441f98d02deafd9b090aea568282b28f66a50e36",
   "third_party/externals/freetype"               : "https://chromium.googlesource.com/chromium/src/third_party/freetype2.git@1bfaca0635d5c90fa6088dc01d99899a947b7d29",
   "third_party/externals/harfbuzz"               : "https://chromium.googlesource.com/external/github.com/harfbuzz/harfbuzz.git@f1f2be776bcd994fa9262622e1a7098a066e5cf7",
   "third_party/externals/highway"                : "https://chromium.googlesource.com/external/github.com/google/highway.git@424360251cdcfc314cfc528f53c872ecd63af0f0",
diff --git a/third_party/expat/include/expat_config/expat_config.h b/third_party/expat/include/expat_config/expat_config.h
index 4968b01..b823e37 100644
--- a/third_party/expat/include/expat_config/expat_config.h
+++ b/third_party/expat/include/expat_config/expat_config.h
@@ -1,6 +1,9 @@
 /* expat_config.h.  Generated from expat_config.h.in by configure.  */
 /* expat_config.h.in.  Generated from configure.ac by autoheader.  */
 
+#ifndef EXPAT_CONFIG_H
+#define EXPAT_CONFIG_H 1
+
 /* Define if building universal (internal helper macro) */
 /* #undef AC_APPLE_UNIVERSAL_BUILD */
 
@@ -77,7 +80,7 @@
 #define PACKAGE_NAME "expat"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "expat 2.4.1"
+#define PACKAGE_STRING "expat 2.5.0"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "expat"
@@ -86,7 +89,7 @@
 #define PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "2.4.1"
+#define PACKAGE_VERSION "2.5.0"
 
 /* Define to 1 if all of the C90 standard headers exist (not just the ones
    required in a freestanding environment). This macro is provided for
@@ -94,7 +97,7 @@
 #define STDC_HEADERS 1
 
 /* Version number of package */
-#define VERSION "2.4.1"
+#define VERSION "2.5.0"
 
 /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
    significant byte first (like Motorola and SPARC, unlike Intel). */
@@ -133,3 +136,5 @@
 
 /* Define to `unsigned int' if <sys/types.h> does not define. */
 /* #undef size_t */
+
+#endif // ndef EXPAT_CONFIG_H