diff --git a/tools/build_secondary/Dockerfile b/tools/build_secondary/Dockerfile
index d09b25296..78e1b768e 100644
--- a/tools/build_secondary/Dockerfile
+++ b/tools/build_secondary/Dockerfile
@@ -1,4 +1,4 @@
-FROM dart:3.1.1@sha256:ec7bb9e577648ea5526c9daf714e9bc7af670ce7c93b594205e68c14a10cea3b AS buildimage
+FROM dart:3.1.2@sha256:a57751bdedde962da08789236b12fd3793c10d43a473ef3e73c894d61740fb2c AS buildimage
 ENV HOMEDIR=/atsign
 ENV USER_ID=1024
 ENV GROUP_ID=1024
diff --git a/tools/build_secondary/Dockerfile.observe b/tools/build_secondary/Dockerfile.observe
index 36ae693cd..2b203dd98 100644
--- a/tools/build_secondary/Dockerfile.observe
+++ b/tools/build_secondary/Dockerfile.observe
@@ -1,4 +1,4 @@
-FROM dart:3.1.1@sha256:ec7bb9e577648ea5526c9daf714e9bc7af670ce7c93b594205e68c14a10cea3b AS buildimage
+FROM dart:3.1.2@sha256:a57751bdedde962da08789236b12fd3793c10d43a473ef3e73c894d61740fb2c AS buildimage
 ENV HOMEDIR=/atsign
 ENV USER_ID=1024
 ENV GROUP_ID=1024