diff --git a/DEPS b/DEPS
index a76674f..f87e9d6 100644
--- a/DEPS
+++ b/DEPS
@@ -14,7 +14,7 @@
   'gmock_revision': '29763965ab52f24565299976b936d1265cb6a271',
   'gtest_revision': '8245545b6dc9c4703e6496d1efd19e975ad2b038',
   'icu_revision': '2341038bf72869a5683a893a2b319a48ffec7f62',
-  'pdfium_tests_revision': 'a7f9103f929c6ab5e2188c629d61797548e9c200',
+  'pdfium_tests_revision': '6608bf041de1104595d3e9c0c18cd411d4757446',
   'skia_revision': '39f7a10a04a914384944d8bf62621144ac4eeaa3',
   'tools_memory_revision': '427f10475e1a8d72424c29d00bf689122b738e5d',
   'trace_event_revision': '54b8455be9505c2cb0cf5c26bb86739c236471aa',
diff --git a/core/fpdfdoc/cpdf_annotlist.cpp b/core/fpdfdoc/cpdf_annotlist.cpp
index 6319781..31c8542 100644
--- a/core/fpdfdoc/cpdf_annotlist.cpp
+++ b/core/fpdfdoc/cpdf_annotlist.cpp
@@ -24,7 +24,9 @@
   if (!pParentDict)
     return std::unique_ptr<CPDF_Annot>();
 
-  CFX_ByteString sContents = pParentDict->GetStringBy("Contents");
+  // TODO(jaepark): We shouldn't strip BOM for some strings and not for others.
+  // See pdfium:593.
+  CFX_WideString sContents = pParentDict->GetUnicodeTextBy("Contents");
   if (sContents.IsEmpty())
     return std::unique_ptr<CPDF_Annot>();
 
@@ -32,7 +34,7 @@
   pAnnotDict->SetAtName("Type", "Annot");
   pAnnotDict->SetAtName("Subtype", "Popup");
   pAnnotDict->SetAtString("T", pParentDict->GetStringBy("T"));
-  pAnnotDict->SetAtString("Contents", sContents);
+  pAnnotDict->SetAtString("Contents", sContents.UTF8Encode());
 
   CFX_FloatRect rect = pParentDict->GetRectBy("Rect");
   rect.Normalize();