diff --git a/Dockerfile b/Dockerfile
index 1fd4cbb3..f2a7043a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.15-alpine
+FROM golang:1.15.6-alpine3.12
 
 ARG TARGETOS
 ARG TARGETARCH
diff --git a/docker-compose.yaml b/docker-compose.yaml
index bf2b2a75..644bddf6 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -19,7 +19,7 @@ services:
       - "127.0.0.1:3306:3306"
 
   postgres:
-    image: postgres:10.8
+    image: postgres:10.15
     environment:
       POSTGRES_DB: dex
       POSTGRES_USER: postgres
@@ -28,7 +28,7 @@ services:
       - "127.0.0.1:5432:5432"
 
   etcd:
-    image: gcr.io/etcd-development/etcd:v3.2.9
+    image: gcr.io/etcd-development/etcd:v3.4.9
     environment:
       ETCD_LISTEN_CLIENT_URLS: http://0.0.0.0:2379
       ETCD_ADVERTISE_CLIENT_URLS: http://0.0.0.0:2379