diff --git a/Dockerfile b/Dockerfile
index 039a721..4888c8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-jdk AS build
+FROM eclipse-temurin:21.0.4_7-jdk AS build
 
 WORKDIR /app/
 
@@ -7,7 +7,7 @@ COPY . /app/
 RUN --mount=type=cache,target=/root/.gradle/caches/ \
  ./gradlew shadowJar
 
-FROM eclipse-temurin:21-jre
+FROM eclipse-temurin:21.0.4_7-jre
 
 RUN --mount=type=cache,target=/var/cache/apt/ \
  apt-get update && \
diff --git a/Dockerfile.ci b/Dockerfile.ci
index 43ce2e6..f582993 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-jre
+FROM eclipse-temurin:21.0.4_7-jre
 
 RUN --mount=type=cache,target=/var/cache/apt/ \
  apt-get update && \