diff --git a/Dockerfile b/Dockerfile
index a5879b81..900f4a40 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Main stage
-FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
+FROM alpine:3.20.3
 
 # Copy necessary files
 COPY scripts /scripts
diff --git a/Dockerfile.fat b/Dockerfile.fat
index 9ae22f39..1ee20176 100644
--- a/Dockerfile.fat
+++ b/Dockerfile.fat
@@ -12,7 +12,7 @@ RUN DOCKER_ENABLE_SECURITY=true \
 ./gradlew clean build
 
 # Main stage
-FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
+FROM alpine:3.20.3
 
 # Copy necessary files
 COPY scripts /scripts