diff --git a/runtimes/.gitignore b/runtimes/.gitignore
index 4d4868450e..bf4354c38e 100644
--- a/runtimes/.gitignore
+++ b/runtimes/.gitignore
@@ -1,2 +1,6 @@
 # Autogenerated by tools/build_data.py
 mono-6.12.0.122-aarch64.squashfs
+zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs
+zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs
+zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs
+zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs
diff --git a/runtimes/runtimes.json b/runtimes/runtimes.json
index bddf69c207..928fc621a9 100644
--- a/runtimes/runtimes.json
+++ b/runtimes/runtimes.json
@@ -102,5 +102,21 @@
         "arch": {
             "aarch64": "solarus-1.6.5.aarch64.squashfs"
         }
+    },
+    "zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs":  {
+        "name": "Java jdk11.0.11",
+        "default": "aarch64",
+        "arch": {
+            "aarch64": "zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs"
+        }
+    },
+    "zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs":  {
+        "name": "Java jdk17.0.10",
+        "default": "aarch64",
+        "arch": {
+            "aarch64": "zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs",
+            "x86_64": "zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs",
+            "armhf": "zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs"
+        }
     }
 }
diff --git a/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.001 b/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.001
new file mode 100644
index 0000000000..647a90840b
Binary files /dev/null and b/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.001 differ
diff --git a/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.002 b/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.002
new file mode 100644
index 0000000000..0102eb3d27
Binary files /dev/null and b/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.002 differ
diff --git a/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.003 b/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.003
new file mode 100644
index 0000000000..ce13603084
Binary files /dev/null and b/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.003 differ
diff --git a/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.004 b/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.004
new file mode 100644
index 0000000000..b6e31dea16
Binary files /dev/null and b/runtimes/zulu11.48.21-ca-jdk11.0.11-linux.aarch64.squashfs.part.004 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.001 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.001
new file mode 100644
index 0000000000..4fb368a212
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.001 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.002 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.002
new file mode 100644
index 0000000000..08906a70f0
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.002 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.003 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.003
new file mode 100644
index 0000000000..c34a8093e1
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.003 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.004 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.004
new file mode 100644
index 0000000000..d88ded98d0
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.aarch64.squashfs.part.004 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.001 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.001
new file mode 100644
index 0000000000..68fad071a1
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.001 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.002 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.002
new file mode 100644
index 0000000000..f514f9d7bb
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.002 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.003 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.003
new file mode 100644
index 0000000000..48a7115df2
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.003 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.004 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.004
new file mode 100644
index 0000000000..e0db0cd175
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.armhf.squashfs.part.004 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.001 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.001
new file mode 100644
index 0000000000..45b7b8f0e5
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.001 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.002 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.002
new file mode 100644
index 0000000000..a444a3c9e9
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.002 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.003 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.003
new file mode 100644
index 0000000000..0da208ae62
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.003 differ
diff --git a/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.004 b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.004
new file mode 100644
index 0000000000..16d7b63aad
Binary files /dev/null and b/runtimes/zulu17.48.15-ca-jdk17.0.10-linux.x86_64.squashfs.part.004 differ
diff --git a/tools/build_release.py b/tools/build_release.py
index 15e1708c7a..5a13450859 100644
--- a/tools/build_release.py
+++ b/tools/build_release.py
@@ -1101,7 +1101,7 @@ def main(argv):
     port_status = {}
     file_cache = None
 
-    if not GITHUB_RUN:
+    if not GITHUB_RUN or CACHE_FILE.is_file():
         file_cache = HashCache(CACHE_FILE)
 
     registered = {
diff --git a/tools/prepare_repo.sh b/tools/prepare_repo.sh
index 5cadc1052c..bdbf5e92d1 100755
--- a/tools/prepare_repo.sh
+++ b/tools/prepare_repo.sh
@@ -10,11 +10,11 @@ source SOURCE_SETUP.txt
 cd releases/
 rm -f *.json
 rm -f images.zip
-wget "https://github.com/${RELEASE_ORG}/${RELEASE_REPO}/releases/latest/download/ports.json"
-wget "https://github.com/${RELEASE_ORG}/${RELEASE_REPO}/releases/latest/download/ports_status.json"
-wget "https://github.com/${RELEASE_ORG}/${RELEASE_REPO}/releases/latest/download/manifest.json"
-wget "https://github.com/${RELEASE_ORG}/${RELEASE_REPO}/releases/latest/download/images.zip"
-wget "https://raw.githubusercontent.com/PortsMaster/PortMaster-Info/refs/heads/main/port_stats_raw.json"
+wget -nv "https://github.com/${RELEASE_ORG}/${RELEASE_REPO}/releases/latest/download/ports.json"
+wget -nv "https://github.com/${RELEASE_ORG}/${RELEASE_REPO}/releases/latest/download/ports_status.json"
+wget -nv "https://github.com/${RELEASE_ORG}/${RELEASE_REPO}/releases/latest/download/manifest.json"
+wget -nv "https://github.com/${RELEASE_ORG}/${RELEASE_REPO}/releases/latest/download/images.zip"
+wget -nv "https://raw.githubusercontent.com/PortsMaster/PortMaster-Info/refs/heads/main/port_stats_raw.json"
 cd ..
 
 python3 tools/build_data.py