diff --git a/Dockerfile b/Dockerfile
index 6045ae9..1575bf8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM pulumi/pulumi-python:3.111.1
+FROM pulumi/pulumi-python:3.112.0@sha256:2c50b84fcd4f49b646aeafcc1a62aa61c83063963aa436b6e877706b1c442f43
 
 ENV PYTHONUNBUFFERED=1
 WORKDIR /opt/resource
diff --git a/Dockerfile.mitol_provision b/Dockerfile.mitol_provision
index e52adc4..d908136 100644
--- a/Dockerfile.mitol_provision
+++ b/Dockerfile.mitol_provision
@@ -1,6 +1,6 @@
 FROM mitodl/ol-infrastructure as infra
 
-FROM pulumi/pulumi-python:3.111.1
+FROM pulumi/pulumi-python:3.112.0@sha256:2c50b84fcd4f49b646aeafcc1a62aa61c83063963aa436b6e877706b1c442f43
 ENV PYTHONUNBUFFERED=1
 # This is a temporary workaround due to
 # https://github.com/protocolbuffers/protobuf/issues/10064 (TMM 2022-06-16)