diff --git a/package-lock.json b/package-lock.json
index f721d053..6c29b765 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4137,9 +4137,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "4.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.3.tgz",
-      "integrity": "sha512-rUvLW0WtF7PF2b9yenwWUi9Da9euvDRhmH7BLyBG4DCFfOJ850LGNknmRpp8Z8kXNUPObdZQEfKOiHtXuQHHKA==",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.4.tgz",
+      "integrity": "sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 27c979a1..8cbcee6d 100644
--- a/package.json
+++ b/package.json
@@ -52,6 +52,6 @@
     "prettier": "2.3.1",
     "standard-version": "9.3.0",
     "ts-node": "9.1.1",
-    "typescript": "4.3.3"
+    "typescript": "4.3.4"
   }
 }
diff --git a/src/docker.ts b/src/docker.ts
index 5444e83e..16836023 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 = '25.50.0-slim';
+  readonly tag = '25.51.0-slim';
   readonly tagSuffix = '-slim';
 
   image(): string {