diff --git a/dev-tools/install.sh b/dev-tools/install.sh
index 3caaafac3e2..cdbba6f4f8a 100755
--- a/dev-tools/install.sh
+++ b/dev-tools/install.sh
@@ -20,7 +20,7 @@ cd "$(dirname "$0")"
 
 mkdir -p bin
 
-VERSION_CB="2.21.7~bpo11+1"
+VERSION_CB="2.22.1"
 VERSION_SC="stable"
 
 echo λλλ checkbashisms