diff --git a/Dockerfile b/Dockerfile
index cf2ba77..6d00cd2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASEIMAGE="php:8.3.17-cli-alpine3.20"
+ARG BASEIMAGE="php:8.3.24-cli-alpine3.22"
 
 FROM $BASEIMAGE AS compile
 
diff --git a/tests.yaml b/tests.yaml
index 853c7d3..4652dfb 100644
--- a/tests.yaml
+++ b/tests.yaml
@@ -12,11 +12,11 @@ commandTests:
   - name: 'Certbot command'
     command: "certbot"
     args: ["--version"]
-    expectedOutput: ["certbot 2.*"]
+    expectedOutput: ["certbot 4.*"]
   - name: 'Docker command'
     command: "docker"
     args: ["--version"]
-    expectedOutput: ["Docker version 26.*"]
+    expectedOutput: ["Docker version 28.*"]
   - name: 'PHP info'
     command: "php"
     args: ["-m"]