diff --git a/src/encoder_x264.cpp b/src/encoder_x264.cpp
index 5643e14..a868dfe 100644
--- a/src/encoder_x264.cpp
+++ b/src/encoder_x264.cpp
@@ -32,7 +32,7 @@
 #include <QRegExp>
 
 //x264 version info
-static const unsigned int VERSION_X264_MINIMUM_REV = 2412;
+static const unsigned int VERSION_X264_MINIMUM_REV = 2438;
 static const unsigned int VERSION_X264_CURRENT_API = 142;
 
 // ------------------------------------------------------------
diff --git a/src/encoder_x265.cpp b/src/encoder_x265.cpp
index e5bf675..ebb3f65 100644
--- a/src/encoder_x265.cpp
+++ b/src/encoder_x265.cpp
@@ -32,8 +32,8 @@
 #include <QRegExp>
 
 //x265 version info
-static const unsigned int VERSION_X265_MINIMUM_VER = 11;
-static const unsigned int VERSION_X265_MINIMUM_REV =  0;
+static const unsigned int VERSION_X265_MINIMUM_VER =  12;
+static const unsigned int VERSION_X265_MINIMUM_REV = 514;
 
 // ------------------------------------------------------------
 // Helper Macros
diff --git a/src/version.h b/src/version.h
index 0cedd7f..2069f16 100644
--- a/src/version.h
+++ b/src/version.h
@@ -25,8 +25,8 @@
 
 #define VER_X264_MAJOR 2
 #define VER_X264_MINOR 4
-#define VER_X264_PATCH 0
-#define VER_X264_BUILD 879
+#define VER_X264_PATCH 1
+#define VER_X264_BUILD 880
 
 #define VER_X264_PORTABLE_EDITION (0)