diff --git a/CMakeLists.txt b/CMakeLists.txt
index 52637f9..adef58d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.12)
 project(libime VERSION 1.1.14)
 set(LibIME_VERSION ${PROJECT_VERSION})
 
-set(REQUIRED_FCITX_VERSION 5.1.13)
+set(REQUIRED_FCITX_VERSION 5.1.20)
 find_package(ECM 1.0 REQUIRED)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
 
diff --git a/src/libime/pinyin/pinyindictionary.cpp b/src/libime/pinyin/pinyindictionary.cpp
index 9220473..3a8a870 100644
--- a/src/libime/pinyin/pinyindictionary.cpp
+++ b/src/libime/pinyin/pinyindictionary.cpp
@@ -239,9 +239,16 @@ PinyinDictionary::TrieType loadTextImpl(std::istream &in) {
         }
         lineNo++;
 
-        auto line = fcitx::stringutils::trimView(lineBuf);
-        std::vector<std::string> tokens =
-            fcitx::stringutils::split(line, FCITX_WHITESPACE);
+        std::string_view line = lineBuf;
+        std::vector<std::string> tokens;
+        while (!line.empty()) {
+            std::string token;
+            auto consumed = fcitx::stringutils::consumeMaybeEscapedValue(
+                line, FCITX_WHITESPACE, &token);
+            if (!consumed.empty()) {
+                tokens.push_back(std::string(token));
+            }
+        }
         if (tokens.size() == 3 || tokens.size() == 2) {
             const std::string &hanzi = tokens[0];
             std::string_view pinyin = tokens[1];
@@ -899,10 +906,10 @@ void PinyinDictionary::saveText(size_t idx, std::ostream &out) {
         if (sep == std::string::npos) {
             return true;
         }
+        auto fullPinyin = PinyinEncoder::decodeFullPinyin(buf.data(), sep);
         std::string_view ref(buf);
-        auto fullPinyin = PinyinEncoder::decodeFullPinyin(ref.data(), sep);
-        out << ref.substr(sep + 1) << " " << fullPinyin << " "
-            << std::setprecision(16) << value << '\n';
+        out << fcitx::stringutils::escapeForValue(ref.substr(sep + 1)) << " "
+            << fullPinyin << " " << std::setprecision(16) << value << '\n';
         return true;
     });
     out.copyfmt(state);
diff --git a/test/testpinyindictionary.cpp b/test/testpinyindictionary.cpp
index 7eb9a88..f0da8bf 100644
--- a/test/testpinyindictionary.cpp
+++ b/test/testpinyindictionary.cpp
@@ -16,6 +16,8 @@
 
 using namespace libime;
 
+namespace {
+
 constexpr char testPinyin1[] = "ni'hui";
 constexpr char testHanzi1[] = "倪辉";
 
@@ -64,7 +66,7 @@ bool searchWordPrefix(const PinyinDictionary &dict, const char *data,
     return seenWord;
 }
 
-int main() {
+void testBasic() {
     PinyinDictionary dict;
     dict.load(PinyinDictionary::SystemDict,
               LIBIME_BINARY_DIR "/data/dict_sc.txt", PinyinDictFormat::Text);
@@ -93,5 +95,29 @@ int main() {
 
     dict.save(0, LIBIME_BINARY_DIR "/test/testpinyindictionary.dict",
               PinyinDictFormat::Binary);
+}
+
+void testEscape() {
+    std::stringstream ss;
+    constexpr std::string_view input = R"(
+"你\n好 不\"" ni
+)";
+
+    ss << input;
+    PinyinDictionary dict;
+    dict.load(PinyinDictionary::SystemDict, ss, PinyinDictFormat::Text);
+    FCITX_ASSERT(
+        dict.lookupWord(PinyinDictionary::SystemDict, "ni", "你\n好 不\""));
+    std::stringstream dump;
+    dict.save(PinyinDictionary::SystemDict, dump, PinyinDictFormat::Text);
+    FCITX_ASSERT(dump.str() == "\"你\\n好 不\\\"\" ni 0\n")
+        << "dump: " << dump.str();
+}
+
+} // namespace
+
+int main() {
+    testBasic();
+    testEscape();
     return 0;
 }