diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
index 2c1164d..1fd5a3a 100644
--- a/.devcontainer/setup.sh
+++ b/.devcontainer/setup.sh
@@ -5,7 +5,7 @@ set -euxo pipefail
 NODE_VERSION=24.18.0
 
 # renovate: datasource=github-releases depName=anomalyco/opencode packageName=anomalyco/opencode
-OPENCODE_VERSION=1.17.18
+OPENCODE_VERSION=1.17.20
 
 if type mise &>/dev/null; then
   ## install opencode globally in mise environment