diff --git a/Dockerfile b/Dockerfile
index c86651c0..8326f4e6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM gradle:8.7.0-jdk21 AS build
+FROM gradle:8.8.0-jdk21 AS build
 
 COPY --chown=gradle:gradle . /home/gradle/tla-frontend
 WORKDIR /home/gradle/tla-frontend
@@ -7,8 +7,10 @@ RUN gradle installAssets bootJar --no-daemon
 
 FROM openjdk:23-jdk-slim-bookworm
 
-RUN mkdir /app; apt-get update && apt-get install -y fontconfig \
-  && apt-get clean
+RUN mkdir /app
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends fontconfig=2.14.1-4 \
+  && apt-get clean && rm -r /var/lib/apt/lists/*
 WORKDIR /app
 
 COPY --from=build /home/gradle/tla-frontend/build/libs/*.jar /app/tla-web-frontend.jar
diff --git a/README.md b/README.md
index 407b5e87..34bd5f29 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ![build](https://github.com/JKatzwinkel/tla-web/workflows/build/badge.svg)
 ![deploy](https://github.com/JKatzwinkel/tla-web/workflows/deploy/badge.svg)
-![LINE](https://img.shields.io/badge/line--coverage-91.20%25-brightgreen.svg)
-![METHOD](https://img.shields.io/badge/method--coverage-92.61%25-brightgreen.svg)
+![LINE](https://img.shields.io/badge/line--coverage-91.16%25-brightgreen.svg)
+![METHOD](https://img.shields.io/badge/method--coverage-92.40%25-brightgreen.svg)
 
 TLA web frontend.
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index b82aa23a..a4413138 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index 1aa94a42..b740cf13 100755
--- a/gradlew
+++ b/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.