diff --git a/screen-translator.pro b/screen-translator.pro
index 0f4266c..a11925a 100644
--- a/screen-translator.pro
+++ b/screen-translator.pro
@@ -21,7 +21,7 @@ linux{
 SOURCES += $$PWD/external/miniz/miniz.c
 INCLUDEPATH += $$PWD/external
 
-VER=3.1.0
+VER=3.1.1
 DEFINES += VERSION="$$VER"
 VERSION = $$VER.0
 QMAKE_TARGET_COMPANY = Gres
diff --git a/share/Changelog_en.md b/share/Changelog_en.md
index f358cb6..12cb63e 100644
--- a/share/Changelog_en.md
+++ b/share/Changelog_en.md
@@ -1,5 +1,9 @@
 # Changes
 
+## 3.1.1
+
+* Fixed portable mode detection
+
 ## 3.1.0
 
 * Added ability to choose a recognition version from the program
diff --git a/share/Changelog_ru.md b/share/Changelog_ru.md
index b5cd058..1c788eb 100644
--- a/share/Changelog_ru.md
+++ b/share/Changelog_ru.md
@@ -1,5 +1,9 @@
 # Изменения
 
+## 3.1.1
+
+* Исправлено определение работы в Portable режиме
+
 ## 3.1.0
 
 * Добавлена возможность выбора версии библиотеки распознавания из программы