diff --git a/docs/gitbook/dev/dev-guide.md b/docs/gitbook/dev/dev-guide.md
index 35f6337f..d34b3159 100644
--- a/docs/gitbook/dev/dev-guide.md
+++ b/docs/gitbook/dev/dev-guide.md
@@ -7,7 +7,7 @@ This document describes how to build, test and run Flagger from source.
 Flagger is written in Go and uses Go modules for dependency management.
 
 On your dev machine install the following tools:
-* go >= 1.13
+* go >= 1.14
 * git >= 2.20
 * bash >= 5.0
 * make >= 3.81