diff --git a/Makefile b/Makefile
index 8fc4376e3..fe123f520 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-SPEC_GENERATOR_VER=v1.1.3
+SPEC_GENERATOR_VER=v1.1.4
 
 all: website