diff --git a/metadata/ch.protonvpn.android.yml b/metadata/ch.protonvpn.android.yml
index 42c4efa546..aaddd65cbd 100644
--- a/metadata/ch.protonvpn.android.yml
+++ b/metadata/ch.protonvpn.android.yml
@@ -72,6 +72,9 @@ Builds:
     commit: 2.1.7
     subdir: app
     submodules: true
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y --no-install-recommends libgmp-dev
     patch:
       - openvpn-build.patch
     gradle:
diff --git a/metadata/com.duckduckgo.mobile.android.yml b/metadata/com.duckduckgo.mobile.android.yml
index 726fd57e5b..656aadb3c9 100644
--- a/metadata/com.duckduckgo.mobile.android.yml
+++ b/metadata/com.duckduckgo.mobile.android.yml
@@ -595,18 +595,18 @@ Builds:
     output: app/build/outputs/apk/release/duckduckgo-$$VERSION$$-release-unsigned.apk
     ndk: r20b
 
-  - versionName: 5.52.6
-    versionCode: 55206
-    commit: 5.52.6
+  - versionName: 5.53.1
+    versionCode: 55301
+    commit: 5.53.1
     submodules: true
     gradle:
       - yes
     output: app/build/outputs/apk/release/duckduckgo-$$VERSION$$-release-unsigned.apk
-    ndk: r20b
+    ndk: r21
 
 MaintainerNotes: Cannot use AUM/UCM because version code and version name are dynamic.
 
 AutoUpdateMode: None
 UpdateCheckMode: None
-CurrentVersion: 5.52.6
-CurrentVersionCode: 55206
+CurrentVersion: 5.53.1
+CurrentVersionCode: 55301
diff --git a/metadata/com.github.cvzi.screenshottile.yml b/metadata/com.github.cvzi.screenshottile.yml
index a7ec47dab1..81147b9eba 100644
--- a/metadata/com.github.cvzi.screenshottile.yml
+++ b/metadata/com.github.cvzi.screenshottile.yml
@@ -190,6 +190,7 @@ Builds:
     subdir: app
     gradle:
       - yes
+    prebuild: echo "android.useAndroidX=true" > ../gradle.properties
 
 AutoUpdateMode: Version v%v
 UpdateCheckMode: Tags
diff --git a/metadata/com.tutpro.baresip.yml b/metadata/com.tutpro.baresip.yml
index c328c556aa..03fbade41e 100644
--- a/metadata/com.tutpro.baresip.yml
+++ b/metadata/com.tutpro.baresip.yml
@@ -1185,6 +1185,7 @@ Builds:
 
   - versionName: 18.1.3
     versionCode: 124
+    disable: fails to build
     commit: 18.1.3
     subdir: app
     gradle:
diff --git a/metadata/freemap.opentrail.yml b/metadata/freemap.opentrail.yml
index f0fb85d67f..8cd5347b64 100644
--- a/metadata/freemap.opentrail.yml
+++ b/metadata/freemap.opentrail.yml
@@ -61,6 +61,7 @@ Builds:
 
   - versionName: 0.5-final
     versionCode: 6
+    disable: fails to build, missing srclib deps
     commit: 0.5-final
     subdir: app
     gradle:
diff --git a/metadata/org.xcsoar.yml b/metadata/org.xcsoar.yml
index 25948bb15b..9b9a01421c 100644
--- a/metadata/org.xcsoar.yml
+++ b/metadata/org.xcsoar.yml
@@ -244,6 +244,7 @@ Builds:
 
   - versionName: 6.8.13b
     versionCode: 115
+    disable: fails to build
     commit: v6.8.13b
     submodules: true
     sudo: