diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index fcdb9f9..c1db2ea 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -20,7 +20,7 @@ jobs:
           - 3.9.19
           - 3.10.14
           - 3.11.9
-          - 3.12.3
+          - 3.12.4
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
diff --git a/Makefile b/Makefile
index 6078a6f..a360f43 100644
--- a/Makefile
+++ b/Makefile
@@ -10,11 +10,11 @@ IMAGE = flaconi/jnlp-slave-py
 TAG = latest
 
 # Base image version: https://github.com/jenkinsci/docker-agent/releases/latest
-JENKINS_AGENT = 3206.vb_15dcf73f6a_9-10-jdk17
+JENKINS_AGENT = 3248.v65ecb_254c298-5-jdk17
 
 # Python versions: $PYTHON_MAJOR.$PYTHON_PATCH
 PYTHON_MAJOR = 3.12
-PYTHON_PATCH = 3
+PYTHON_PATCH = 4
 
 pull:
 	docker pull $(shell grep FROM Dockerfile | sed 's/^FROM//g' | sed "s/\$${JENKINS_AGENT}/$(JENKINS_AGENT)/g";)