diff --git a/heroku/Dockerfile b/heroku/Dockerfile
index 4e90fb0..1394879 100644
--- a/heroku/Dockerfile
+++ b/heroku/Dockerfile
@@ -1,3 +1,3 @@
-FROM ghcr.io/coder/coder:v2.31.7
+FROM ghcr.io/coder/coder:v2.31.9
 ENV CODER_TELEMETRY_INSTALL_SOURCE=heroku
 ENTRYPOINT []
diff --git a/render/Dockerfile b/render/Dockerfile
index c1323e4..5ddcac5 100644
--- a/render/Dockerfile
+++ b/render/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/coder/coder:v2.31.7
+FROM ghcr.io/coder/coder:v2.31.9
 ARG RENDER_EXTERNAL_URL
 ENV CODER_HTTP_ADDRESS=0.0.0.0:3000
 ENV CODER_ACCESS_URL=${RENDER_EXTERNAL_URL}