diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2038508..b88019f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,8 +5,9 @@ on:
     branches:
       - trunk
   schedule:
-    - cron: '0 22 1/2 * *' # every other day at midnight
+    - cron: '0 16 * * 5' # what could go wrong on a friday evening ¯\_ (ツ)_/¯
   workflow_dispatch:
+
 env:
   LUANTI_REPO: minetest/minetest
   LUANTI_DIR: luanti
@@ -62,13 +63,18 @@ jobs:
           echo "Current version: ${CURRENT_VERSION}"
           echo "Latest version: ${LATEST_VERSION}"
 
-          if [ "$LATEST_VERSION" != "$CURRENT_VERSION" ]; then
-            echo "New release found: ${LATEST_VERSION}"
-            echo "SHOULD_BUILD=true" >> $GITHUB_OUTPUT
-            echo "LATEST_VERSION=${LATEST_VERSION}" >> $GITHUB_OUTPUT
-            echo "CURRENT_VERSION=${CURRENT_VERSION}" >> $GITHUB_OUTPUT
+          if [[ "$LATEST_VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+            if [ "$LATEST_VERSION" != "$CURRENT_VERSION" ]; then
+              echo "Will make a build"
+              echo "SHOULD_BUILD=true" >> $GITHUB_OUTPUT
+              echo "LATEST_VERSION=${LATEST_VERSION}" >> $GITHUB_OUTPUT
+              echo "CURRENT_VERSION=${CURRENT_VERSION}" >> $GITHUB_OUTPUT
+            else
+              echo "No new release found."
+              echo "SHOULD_BUILD=false" >> $GITHUB_OUTPUT
+            fi
           else
-            echo "No new release found."
+            echo "Latest version is not a semantic version, skipping build."
             echo "SHOULD_BUILD=false" >> $GITHUB_OUTPUT
           fi
 
@@ -91,6 +97,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: ${{ env.LUANTI_REPO }}
+          ref: ${{ env.LATEST_VERSION }}
           path: ${{ env.LUANTI_DIR }}
 
       - name: Install system dependencies
@@ -100,7 +107,6 @@ jobs:
           sudo apt-get install -y ${{ env.DEPENDENCIES }}
 
       - name: Download appimage-builder
-        if: steps.cache-tools-restore.outputs.cache-hit != 'true'
         run: |
           mkdir -p ${{ env.TOOLS_DIR }}
           cd ${{ env.TOOLS_DIR }}
@@ -108,7 +114,6 @@ jobs:
           chmod +x appimage-builder.AppImage
 
       - name: Build Luanti
-        if: steps.cache-minetest-restore.outputs.cache-hit != 'true'
         run: |
           set -e
           cd ${{ env.LUANTI_DIR }}