diff --git a/Dockerfile b/Dockerfile
index 2de0250..b885296 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,8 +35,8 @@ RUN apk add --no-cache curl-dev \
     pcntl \
     opcache
 
-# Instalar Redis extension
-RUN pecl install redis && docker-php-ext-enable redis
+# Instalar Redis extension (versión fija para cache reproducible)
+RUN pecl install redis-6.0.2 && docker-php-ext-enable redis
 
 # Instalar Composer
 COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
diff --git a/Dockerfile.worker b/Dockerfile.worker
index ee5e8b2..241fb45 100644
--- a/Dockerfile.worker
+++ b/Dockerfile.worker
@@ -33,9 +33,9 @@ RUN docker-php-ext-install -j$(nproc) \
     pcntl \
     opcache
 
-# Instalar Redis extension
+# Instalar Redis extension (versión fija para cache reproducible)
 RUN apk add --no-cache --virtual .build-deps $PHPIZE_DEPS \
-    && pecl install redis \
+    && pecl install redis-6.0.2 \
     && docker-php-ext-enable redis \
     && apk del .build-deps