diff --git a/src/compress.h b/src/compress.h
index a90ab9430..e708d6965 100644
--- a/src/compress.h
+++ b/src/compress.h
@@ -7,7 +7,7 @@
 
 namespace maxcso {
 
-static const char *VERSION = "1.9.0";
+static const char *VERSION = "1.9.1";
 
 static const uint32_t DEFAULT_BLOCK_SIZE = 0xFFFFFFFF;