diff --git a/src/docker.ts b/src/docker.ts
index 02f1eda2..abc29534 100644
--- a/src/docker.ts
+++ b/src/docker.ts
@@ -1,7 +1,7 @@
 class Docker {
   readonly repository = 'renovate/renovate';
   // renovate: datasource=docker depName=renovate/renovate versioning=docker
-  readonly tag = '19.231.8';
+  readonly tag = '19.231.8-slim';
 
   image(): string {
     return `${this.repository}:${this.tag}`;
diff --git a/src/renovate.ts b/src/renovate.ts
index c0048cb2..bd98a9e6 100644
--- a/src/renovate.ts
+++ b/src/renovate.ts
@@ -25,6 +25,8 @@ class Renovate {
       `--env ${this.configFileEnv}=${this.configFileMountPath()}`,
       `--env ${this.tokenEnv}=${this.token}`,
       `--volume ${this.configFile}:${this.configFileMountPath()}`,
+      `-v /var/run/docker.sock:/var/run/docker.sock`,
+      `-v /tmp:/tmp`,
       this.docker.image(),
     ];
     const command = `docker run ${commandArguments.join(' ')}`;