diff --git a/Dockerfile b/Dockerfile
index cb611f6..986b6cb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,14 +6,14 @@ ARG DISTRO=focal
 #--------------------------------------
 # base images
 #--------------------------------------
-FROM ghcr.io/containerbase/ubuntu:20.04@sha256:8e5c4f0285ecbb4ead070431d29b576a530d3166df73ec44affc1cd27555141b as build-focal
-FROM ghcr.io/containerbase/ubuntu:22.04@sha256:0e5e4a57c2499249aafc3b40fcd541e9a456aab7296681a3994d631587203f97 as build-jammy
+FROM ghcr.io/containerbase/ubuntu:20.04@sha256:8e5c4f0285ecbb4ead070431d29b576a530d3166df73ec44affc1cd27555141b AS build-focal
+FROM ghcr.io/containerbase/ubuntu:22.04@sha256:0e5e4a57c2499249aafc3b40fcd541e9a456aab7296681a3994d631587203f97 AS build-jammy
 
 
 #--------------------------------------
 # builder images
 #--------------------------------------
-FROM build-${DISTRO} as builder
+FROM build-${DISTRO} AS builder
 
 ARG APT_PROXY
 
diff --git a/bin/builder.sh b/bin/builder.sh
index 0e138d3..33cc1ff 100755
--- a/bin/builder.sh
+++ b/bin/builder.sh
@@ -29,40 +29,51 @@ function check_semver () {
 }
 
 if [[ ! -f "/usr/local/share/php-build/definitions/${VERSION}" ]]; then
-  echo "Missing build definition for ${VERSION}. Trying to find older patch build definition"
+  echo "Missing build definition for ${VERSION}. Trying to find older build definition."
   check_semver "${VERSION}"
   if [[ ! "${MAJOR}" || ! "${MINOR}" || ! "${PATCH}" ]]; then
     echo Invalid version: "${TOOL_VERSION}" >&2
     exit 1
   fi
-  oldVersion=$(find /usr/local/share/php-build/definitions -type f -name "${MAJOR}.${MINOR}.*" -printf '%f\n' | sort --version-sort -r | head -n 1)
 
+  oldVersion=$(find /usr/local/share/php-build/definitions -type f -name "${MAJOR}.${MINOR}.*" -printf '%f\n' | sort --version-sort -r | head -n 1)
   if [[ -z $oldVersion ]]; then
-    echo "No usable definition found" >&2
-    exit 1
+    oldVersion=$(find /usr/local/share/php-build/definitions -type f -name "${MAJOR}.$((MINOR-1)).*" -printf '%f\n' | sort --version-sort -r | head -n 1)
+    if [[ -z $oldVersion ]]; then
+      echo "No usable definition found" >&2
+      exit 1
+    fi
   fi
 
   echo "Using $oldVersion"
 
   cp "/usr/local/share/php-build/definitions/$oldVersion" "/usr/local/share/php-build/definitions/${VERSION}"
   sed -i "s/php-${oldVersion}/php-${VERSION}/" "/usr/local/share/php-build/definitions/${VERSION}"
-  cat "/usr/local/share/php-build/definitions/${VERSION}"
 fi
 
 # disable xdebug
 sed 's/install_xdebug/#install_xdebug/' -i "/usr/local/share/php-build/definitions/${VERSION}"
 
+echo -----------------------------------------------------
+echo "Using definition /usr/local/share/php-build/definitions/${VERSION}"
+echo -----------------------------------------------------
+cat "/usr/local/share/php-build/definitions/${VERSION}"
+echo -----------------------------------------------------
+
 # https://github.com/php-build/php-build/blob/6530e7501ccc758928d5510813dc3f5fbdc87419/man/php-build.1.ronn#environment
 # https://github.com/php-build/php-build/issues/564
 export PHP_BUILD_CONFIGURE_OPTS="--disable-intl --disable-cgi --disable-fpm --disable-phpdbg --disable-shared --enable-static" PHP_BUILD_XDEBUG_ENABLE=off
 
 echo "Building ${NAME} ${VERSION} for ${CODENAME}"
+echo -----------------------------------------------------
 php-build ${BUILD_ARGS} "${VERSION}" "/usr/local/${NAME}/${VERSION}"
 
+echo -----------------------------------------------------
 "/usr/local/${NAME}/${VERSION}/bin/php" --version
 
 file "/usr/local/${NAME}/${VERSION}/bin/php"
 #ldd "/usr/local/${NAME}/${VERSION}/bin/php"
 
+echo -----------------------------------------------------
 echo "Compressing ${NAME} ${VERSION} for ${CODENAME}-${ARCH}"
 tar -cJf "/cache/${NAME}-${VERSION}-${CODENAME}-${ARCH}.tar.xz" -C /usr/local/${NAME} "${VERSION}"
diff --git a/renovate.Dockerfile b/renovate.Dockerfile
index 202bc8e..f933f2e 100644
--- a/renovate.Dockerfile
+++ b/renovate.Dockerfile
@@ -6,14 +6,18 @@
 # makes lint happy
 FROM scratch
 
-# EOL: 2024-11-25
+# EOL: 2025-12-31
 # renovate: datasource=docker depName=php versioning=docker
 ENV PHP_VERSION=8.1.30
 
-# EOL: 2025-12-08
+# EOL: 2026-12-31
 # renovate: datasource=docker depName=php versioning=docker
 ENV PHP_VERSION=8.2.25
 
-# EOL: 2026-11-23
+# EOL: 2027-12-31
 # renovate: datasource=docker depName=php versioning=docker
 ENV PHP_VERSION=8.3.13
+
+# EOL: 2028-12-31
+# renovate: datasource=docker depName=php versioning=docker
+ENV PHP_VERSION=8.4.1