diff --git a/metadata/nl.viter.glider.yml b/metadata/nl.viter.glider.yml
index b155f8cc62..1c73bec56b 100644
--- a/metadata/nl.viter.glider.yml
+++ b/metadata/nl.viter.glider.yml
@@ -278,9 +278,17 @@ Builds:
   - versionName: 1.16.1
     versionCode: 36
     commit: 2d95cb644ffbb0704ab1c330bef8c59c34043255
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     output: build/app/outputs/flutter-apk/app-release.apk
     srclibs:
       - flutter@2.11.0-0.1.pre
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     rm:
       - .github
       - .vscode
diff --git a/metadata/org.mosad.teapod.yml b/metadata/org.mosad.teapod.yml
index ecce96a142..8af8d98c49 100644
--- a/metadata/org.mosad.teapod.yml
+++ b/metadata/org.mosad.teapod.yml
@@ -54,6 +54,10 @@ Builds:
     versionCode: 9000
     commit: 4a5a6c04ca1e493aa4d38a4596c666137aed3011
     subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes