diff --git a/pd-control.md b/pd-control.md
index 1ec037f80d108..32f63a80cb8aa 100644
--- a/pd-control.md
+++ b/pd-control.md
@@ -11,7 +11,7 @@ As a command line tool of PD, PD Control obtains the state information of the cl
 
 ## Compile from source code
 
-1. [Go](https://golang.org/) Version 1.9 or later
+1. [Go](https://golang.org/) Version 1.13 or later because the Go modules are used.
 2. In the root directory of the [PD project](https://github.com/pingcap/pd), use the `make` command to compile and generate `bin/pd-ctl`
 
 > **Note:**
diff --git a/pd-recover.md b/pd-recover.md
index 82ec778b65a15..00a27cbd3e455 100644
--- a/pd-recover.md
+++ b/pd-recover.md
@@ -11,7 +11,7 @@ PD Recover is a disaster recovery tool of PD, used to recover the PD cluster whi
 
 ## Source code compiling
 
-1. [Go](https://golang.org/) Version 1.9 or later
+1. [Go](https://golang.org/) Version 1.13 or later because the Go modules are used.
 2. In the root directory of the [PD project](https://github.com/pingcap/pd), use the `make` command to compile and generate `bin/pd-recover`
 
 ## Usage