diff --git a/metadata/krillefear.funwithkanji.yml b/metadata/krillefear.funwithkanji.yml
index 50ff4f3af9..108daa3e16 100644
--- a/metadata/krillefear.funwithkanji.yml
+++ b/metadata/krillefear.funwithkanji.yml
@@ -136,10 +136,10 @@ Builds:
     commit: 2738ee5e8d1a5a0d137b832790b07a95e0723e57
     sudo:
       - apt-get update
-      - apt-get install -y ninja-build openjdk-11-jdk-headless
+      - apt-get install -y ninja-build
     output: build/app/outputs/flutter-apk/app-release.apk
     srclibs:
-      - flutter@3.0.1
+      - flutter@3.3.8
     rm:
       - ios
       - linux
@@ -147,8 +147,7 @@ Builds:
       - test
       - web
       - windows
-    prebuild: JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 $$SDK$$/tools/bin/sdkmanager
-        'cmake;3.18.1' > /dev/null
+    prebuild: sdkmanager 'cmake;3.18.1'
     build:
       - $$flutter$$/bin/flutter config --no-analytics
       - $$flutter$$/bin/flutter build apk --release