diff --git a/HISTORY.txt b/HISTORY.txt
index e2ac40b..a31717b 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -2,10 +2,9 @@
 Simple x264/x265 Launcher version history 
 ----------------------------------------- 
 
-Version 2.82 [2017-05-26]
+Version 2.83 [2017-06-11]
 * Updated x264 to revision 2833
 * Updated x265 to version 2.4+36
-* Updated NVEncC to version 3.09
 
 Version 2.82 [2017-05-26]
 * Updated x264 to revision 2829
diff --git a/src/encoder_nvencc.cpp b/src/encoder_nvencc.cpp
index d457392..c5b95eb 100644
--- a/src/encoder_nvencc.cpp
+++ b/src/encoder_nvencc.cpp
@@ -40,8 +40,8 @@
 #include <QPair>
 
 //x265 version info
-static const unsigned int VERSION_NVENCC_MINIMUM_VER = 309;
-static const unsigned int VERSION_NVENCC_MINIMUM_API =  80;
+static const unsigned int VERSION_NVENCC_MINIMUM_VER = 307;
+static const unsigned int VERSION_NVENCC_MINIMUM_API =  71;
 
 // ------------------------------------------------------------
 // Helper Macros