Update to go 1.21 (with note about pending update to 1.22)

Signed-off-by: Will Hawkins <[email protected]>

2 files changed, 4 insertions, 2 deletions

diff --git a/README.md b/README.md
index 61254ce..7e3b5ed 100644
--- a/README.md
+++ b/README.md
@@ -16,9 +16,11 @@ To become a Draft Standard, "at least two independent and interoperable implemen
 
 ### Requirements
 
-1. Go (tested with version 1.16.6)
+1. Go (1.21 -- see below)
 2. The source code
 
+**Note**: When go 1.22 is released, this client will upgrade to that version of go. There is an important fix to the runtime ([see here](https://github.com/golang/go/commit/7830180dcd13c028a1619f41bed0ac5e10a720e7)) that we need to incorporate for correctness.
+
 ### Satisfy Requirements
 
 To install Go, follow the excellent documentation [online](https://go.dev/doc/install).
diff --git a/go.mod b/go.mod
index bc9bdf0..4442932 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/network-quality/goresponsiveness
 
-go 1.18
+go 1.21
 
 require (
 	golang.org/x/net v0.7.0