diff --git a/.gitignore b/.gitignore
index f1e53ef..bbae22d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,9 @@ beidou.txt
 galileo.txt
 glo-ops.txt
 gps-ops.txt
+# - git version internals
+githash.h
+
 #
 *.csv
 # Prerequisites
diff --git a/githash.h b/githash.h
index 1c2fba4..09b3966 100644
--- a/githash.h
+++ b/githash.h
@@ -1 +1 @@
-#define GIT_HASH "e795f29+"
+#define GIT_HASH "8c56335+"